fix(challenges): update required links for d3 challenges (#34477)

curriculum/challenges/_meta/data-visualization-with-d3/meta.json

@@ -4,7 +4,11 @@
   "order": 1,
   "time": "5 hours",
   "template": "",
-  "required": [],
+  "required": [
+    {
+      "src": "https://cdnjs.cloudflare.com/ajax/libs/d3/5.7.0/d3.min.js"
+    }
+  ],
   "superBlock": "data-visualization",
   "superOrder": 4,
   "challengeOrder": [

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/add-a-hover-effect-to-a-d3-element.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd4
 title: Add a Hover Effect to a D3 Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd6
 title: Add a Tooltip to a D3 Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/add-attributes-to-the-circle-elements.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd8
 title: Add Attributes to the Circle Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/add-axes-to-a-visualization.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fad367417b2b2512bdf
 title: Add Axes to a Visualization
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/add-classes-with-d3.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc8
 title: Add Classes with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/add-document-elements-with-d3.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa6367417b2b2512bc2
 title: Add Document Elements with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/add-inline-styling-to-elements.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc6
 title: Add Inline Styling to Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: إضافة التصميم الداخلي للعناصر

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/add-labels-to-d3-elements.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd2
 title: Add Labels to D3 Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: أضف تسميات لعناصر D3

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/add-labels-to-scatter-plot-circles.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd9
 title: Add Labels to Scatter Plot Circles
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/change-styles-based-on-data.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc7
 title: Change Styles Based on Data
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/change-the-color-of-an-svg-element.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bd1
 title: Change the Color of an SVG Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/change-the-presentation-of-a-bar-chart.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bca
 title: Change the Presentation of a Bar Chart
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/create-a-bar-for-each-data-point-in-the-set.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bcd
 title: Create a Bar for Each Data Point in the Set
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/create-a-linear-scale-with-d3.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bda
 title: Create a Linear Scale with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/create-a-scatterplot-with-svg-circles.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd7
 title: Create a Scatterplot with SVG Circles
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/display-shapes-with-svg.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bcc
 title: Display Shapes with SVG
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/dynamically-change-the-height-of-each-bar.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bcf
 title: Dynamically Change the Height of Each Bar
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/dynamically-set-the-coordinates-for-each-bar.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bce
 title: Dynamically Set the Coordinates for Each Bar
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ديناميكيا تعيين الاحداثيات لكل شريط

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/invert-svg-elements.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bd0
 title: Invert SVG Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: عكس عناصر SVG

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/learn-about-svg-in-d3.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bcb
 title: Learn About SVG in D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/select-a-group-of-elements-with-d3.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa6367417b2b2512bc3
 title: Select a Group of Elements with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/set-a-domain-and-a-range-on-a-scale.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bdb
 title: Set a Domain and a Range on a Scale
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/style-d3-labels.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd3
 title: Style D3 Labels
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/update-the-height-of-an-element-dynamically.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bc9
 title: Update the Height of an Element Dynamically
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/use-a-pre-defined-scale-to-place-elements.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bde
 title: Use a Pre-Defined Scale to Place Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: استخدم مقياس محدد مسبقا لوضع العناصر

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/use-dynamic-scales.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bdd
 title: Use Dynamic Scales
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/use-the-d3.max-and-d3.min-functions-to-find-minimum-and-maximum-values-in-a-dataset.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bdc
 title: Use the d3.max and d3.min Functions to Find Minimum and Maximum Values in a Dataset
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/work-with-data-in-d3.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc4
 title: Work with Data in D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/work-with-dynamic-data-in-d3.arabic.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc5
 title: Work with Dynamic Data in D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-a-hover-effect-to-a-d3-element.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd4
 title: Add a Hover Effect to a D3 Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 将悬停效果添加到D3元素

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd6
 title: Add a Tooltip to a D3 Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 将工具提示添加到D3元素

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-attributes-to-the-circle-elements.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd8
 title: Add Attributes to the Circle Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 将属性添加到圆形元素

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-axes-to-a-visualization.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fad367417b2b2512bdf
 title: Add Axes to a Visualization
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 将轴添加到可视化

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-classes-with-d3.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc8
 title: Add Classes with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 使用D3添加类

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-document-elements-with-d3.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa6367417b2b2512bc2
 title: Add Document Elements with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 使用D3添加文档元素

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-inline-styling-to-elements.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc6
 title: Add Inline Styling to Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 向元素添加内联样式

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-labels-to-d3-elements.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd2
 title: Add Labels to D3 Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 将标签添加到D3元素

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-labels-to-scatter-plot-circles.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd9
 title: Add Labels to Scatter Plot Circles
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 添加标签以分散绘图圆圈

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-styles-based-on-data.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc7
 title: Change Styles Based on Data
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 根据数据更改样式

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-the-color-of-an-svg-element.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bd1
 title: Change the Color of an SVG Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 更改SVG元素的颜色

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-the-presentation-of-a-bar-chart.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bca
 title: Change the Presentation of a Bar Chart
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 更改条形图的演示文稿

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-bar-for-each-data-point-in-the-set.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bcd
 title: Create a Bar for Each Data Point in the Set
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 为集合中的每个数据点创建一个条

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-linear-scale-with-d3.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bda
 title: Create a Linear Scale with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 使用D3创建线性比例

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-scatterplot-with-svg-circles.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd7
 title: Create a Scatterplot with SVG Circles
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 使用SVG圈创建散点图

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/display-shapes-with-svg.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bcc
 title: Display Shapes with SVG
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 使用SVG显示形状

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/dynamically-change-the-height-of-each-bar.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bcf
 title: Dynamically Change the Height of Each Bar
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 动态改变每个栏的高度

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/dynamically-set-the-coordinates-for-each-bar.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bce
 title: Dynamically Set the Coordinates for Each Bar
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 动态设置每个条形的坐标

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/invert-svg-elements.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bd0
 title: Invert SVG Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 反转SVG元素

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/learn-about-svg-in-d3.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bcb
 title: Learn About SVG in D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 在D3中了解SVG

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/select-a-group-of-elements-with-d3.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa6367417b2b2512bc3
 title: Select a Group of Elements with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 使用D3选择一组元素

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/set-a-domain-and-a-range-on-a-scale.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bdb
 title: Set a Domain and a Range on a Scale
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 在比例上设置域和范围

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/style-d3-labels.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd3
 title: Style D3 Labels
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 风格D3标签

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/update-the-height-of-an-element-dynamically.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bc9
 title: Update the Height of an Element Dynamically
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 动态更新元素的高度

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-a-pre-defined-scale-to-place-elements.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bde
 title: Use a Pre-Defined Scale to Place Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 使用预定义比例放置元素

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-dynamic-scales.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bdd
 title: Use Dynamic Scales
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 使用动态比例

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-the-d3.max-and-d3.min-functions-to-find-minimum-and-maximum-values-in-a-dataset.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bdc
 title: Use the d3.max and d3.min Functions to Find Minimum and Maximum Values in a Dataset
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 使用d3.max和d3.min函数查找数据集中的最小值和最大值

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/work-with-data-in-d3.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc4
 title: Work with Data in D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 在D3中使用数据

curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/work-with-dynamic-data-in-d3.chinese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc5
 title: Work with Dynamic Data in D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: 在D3中使用动态数据

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/add-a-hover-effect-to-a-d3-element.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd4
 title: Add a Hover Effect to a D3 Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd6
 title: Add a Tooltip to a D3 Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/add-attributes-to-the-circle-elements.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd8
 title: Add Attributes to the Circle Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/add-axes-to-a-visualization.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fad367417b2b2512bdf
 title: Add Axes to a Visualization
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/add-classes-with-d3.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc8
 title: Add Classes with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/add-document-elements-with-d3.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa6367417b2b2512bc2
 title: Add Document Elements with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/add-inline-styling-to-elements.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc6
 title: Add Inline Styling to Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/add-labels-to-d3-elements.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd2
 title: Add Labels to D3 Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/add-labels-to-scatter-plot-circles.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd9
 title: Add Labels to Scatter Plot Circles
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/change-styles-based-on-data.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc7
 title: Change Styles Based on Data
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/change-the-color-of-an-svg-element.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bd1
 title: Change the Color of an SVG Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/change-the-presentation-of-a-bar-chart.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bca
 title: Change the Presentation of a Bar Chart
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/create-a-bar-for-each-data-point-in-the-set.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bcd
 title: Create a Bar for Each Data Point in the Set
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/create-a-linear-scale-with-d3.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bda
 title: Create a Linear Scale with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/create-a-scatterplot-with-svg-circles.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd7
 title: Create a Scatterplot with SVG Circles
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/display-shapes-with-svg.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bcc
 title: Display Shapes with SVG
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/dynamically-change-the-height-of-each-bar.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bcf
 title: Dynamically Change the Height of Each Bar
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/dynamically-set-the-coordinates-for-each-bar.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bce
 title: Dynamically Set the Coordinates for Each Bar
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/invert-svg-elements.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bd0
 title: Invert SVG Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/learn-about-svg-in-d3.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bcb
 title: Learn About SVG in D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/select-a-group-of-elements-with-d3.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa6367417b2b2512bc3
 title: Select a Group of Elements with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/set-a-domain-and-a-range-on-a-scale.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bdb
 title: Set a Domain and a Range on a Scale
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/style-d3-labels.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd3
 title: Style D3 Labels
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/update-the-height-of-an-element-dynamically.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bc9
 title: Update the Height of an Element Dynamically
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/use-a-pre-defined-scale-to-place-elements.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bde
 title: Use a Pre-Defined Scale to Place Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/use-dynamic-scales.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bdd
 title: Use Dynamic Scales
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/use-the-d3.max-and-d3.min-functions-to-find-minimum-and-maximum-values-in-a-dataset.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fac367417b2b2512bdc
 title: Use the d3.max and d3.min Functions to Find Minimum and Maximum Values in a Dataset
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/work-with-data-in-d3.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc4
 title: Work with Data in D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/english/04-data-visualization/data-visualization-with-d3/work-with-dynamic-data-in-d3.english.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc5
 title: Work with Dynamic Data in D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 ---
 

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/add-a-hover-effect-to-a-d3-element.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd4
 title: Add a Hover Effect to a D3 Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Adicionar um efeito de foco a um elemento D3

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd6
 title: Add a Tooltip to a D3 Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Adicionar uma dica de ferramenta a um elemento D3

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/add-attributes-to-the-circle-elements.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd8
 title: Add Attributes to the Circle Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Adicionar atributos aos elementos do círculo

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/add-axes-to-a-visualization.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fad367417b2b2512bdf
 title: Add Axes to a Visualization
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Adicionar eixos a uma visualização

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/add-classes-with-d3.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc8
 title: Add Classes with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: ''

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/add-document-elements-with-d3.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa6367417b2b2512bc2
 title: Add Document Elements with D3
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Adicionar elementos do documento com D3

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/add-inline-styling-to-elements.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc6
 title: Add Inline Styling to Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Adicionar estilo inline aos elementos

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/add-labels-to-d3-elements.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7faa367417b2b2512bd2
 title: Add Labels to D3 Elements
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Adicionar rótulos aos elementos D3

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/add-labels-to-scatter-plot-circles.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fab367417b2b2512bd9
 title: Add Labels to Scatter Plot Circles
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Adicionar rótulos aos círculos de plotagem de dispersão

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/change-styles-based-on-data.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa7367417b2b2512bc7
 title: Change Styles Based on Data
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Alterar estilos com base em dados

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/change-the-color-of-an-svg-element.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa9367417b2b2512bd1
 title: Change the Color of an SVG Element
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Alterar a cor de um elemento SVG

curriculum/challenges/portuguese/04-data-visualization/data-visualization-with-d3/change-the-presentation-of-a-bar-chart.portuguese.md

@@ -1,8 +1,6 @@
 ---
 id: 587d7fa8367417b2b2512bca
 title: Change the Presentation of a Bar Chart
-required:
-  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
 challengeType: 6
 videoUrl: ''
 localeTitle: Alterar a apresentação de um gráfico de barras