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Randell Dawson 1494a50123 fix(guide): restructure curriculum guide articles (#36501 )

* fix: restructure certifications guide articles
* fix: added 3 dashes line before prob expl
* fix: added 3 dashes line before hints
* fix: added 3 dashes line before solutions

2019-07-24 13:29:27 +05:30

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title

title
Create a Linear Scale with D3

Create a Linear Scale with D3

Problem Explanation

In this D3 challenge you are required to change the scale variable to create a linear scale. Then set the output variable to the scale called with an input argument of 50.

Hints

Hint 1

The syntax for creating a scale is:

const scale = d3.scaleLinear();

Hint 2

The const scale is a method, which accepts a value.

Hint 3

The scaling factor should be set to 50.

Hint 4

The scaling factor is set like this:

const output = scale(scalingFactor);

Where scalingFactor is a number.

Solutions

Solution 1 (Click to Show/Hide)

To solve this challenge, the `scale` variable has to be re-initialized with a D3 scale ans the scaling factor in the output has to be set to `50`, to do this, change you code to look like this:

<body>
  <script>
    const scale = d3.scaleLinear();
    const output = scale(50);
    d3.select("body")
      .append("h2")
      .text(output);
  </script>
</body>

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