2018-10-10 18:03:03 -04:00
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---
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id: 587d7fa7367417b2b2512bc6
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2021-03-04 09:49:46 -08:00
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title: 给元素添加内联样式
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2018-10-10 18:03:03 -04:00
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challengeType: 6
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2020-09-18 00:13:05 +08:00
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forumTopicId: 301475
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2021-01-13 03:31:00 +01:00
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dashedName: add-inline-styling-to-elements
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2018-10-10 18:03:03 -04:00
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---
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2020-12-16 00:37:30 -07:00
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# --description--
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2018-10-10 18:03:03 -04:00
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2021-03-04 09:49:46 -08:00
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D3允许你使用 `style()` 方法在动态元素上添加内联 CSS 样式。
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2018-10-10 18:03:03 -04:00
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2021-03-04 09:49:46 -08:00
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`style()` 方法以用逗号分隔的键值对作为参数。 这里是一个将选中文本的颜色设为蓝色的例子：
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2018-10-10 18:03:03 -04:00
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2021-04-06 00:04:04 +09:00
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```js
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selection.style("color","blue");
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```
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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# --instructions--
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2018-10-10 18:03:03 -04:00
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2021-04-06 00:04:04 +09:00
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将 `style()` 方法添加到编辑器中的代码中，使所有显示的文本都具有 `verdana` 的 `font-family` 。
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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# --hints--
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2018-10-10 18:03:03 -04:00
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2021-03-09 08:51:59 -07:00
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`h2` 元素的 `font-family` 应为 `verdana`。
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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```js
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assert($('h2').css('font-family') == 'verdana');
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2018-10-10 18:03:03 -04:00
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```
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2021-03-04 09:49:46 -08:00
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你应该使用 `style()` 方法。
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2020-09-18 00:13:05 +08:00
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2020-12-16 00:37:30 -07:00
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```js
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assert(code.match(/\.style/g));
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2018-10-10 18:03:03 -04:00
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```
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2020-08-13 17:24:35 +02:00
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2021-01-13 03:31:00 +01:00
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# --seed--
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## --seed-contents--
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```html
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<body>
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<script>
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const dataset = [12, 31, 22, 17, 25, 18, 29, 14, 9];
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d3.select("body").selectAll("h2")
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.data(dataset)
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.enter()
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.append("h2")
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.text((d) => (d + " USD"))
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// Add your code below this line
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// Add your code above this line
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</script>
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</body>
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```
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2020-12-16 00:37:30 -07:00
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# --solutions--
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2021-01-13 03:31:00 +01:00
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```html
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<body>
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<script>
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const dataset = [12, 31, 22, 17, 25, 18, 29, 14, 9];
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d3.select("body").selectAll("h2")
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.data(dataset)
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.enter()
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.append("h2")
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.text((d) => (d + " USD"))
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.style("font-family", "verdana")
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</script>
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</body>
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```
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