112 lines
2.7 KiB
Markdown
112 lines
2.7 KiB
Markdown
|
---
|
||
|
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: ''
|
||
|
---
|
||
|
|
||
|
## Description
|
||
|
undefined
|
||
|
|
||
|
## Instructions
|
||
|
undefined
|
||
|
|
||
|
## Tests
|
||
|
<section id='tests'>
|
||
|
|
||
|
```yml
|
||
|
tests:
|
||
|
- text: ''
|
||
|
testString: 'assert($("title").length == 9, "Your code should have 9 <code>title</code> elements.");'
|
||
|
- text: ''
|
||
|
testString: 'assert($("title").eq(0).text() == "12", "The first <code>title</code> element should have tooltip text of 12.");'
|
||
|
- text: ''
|
||
|
testString: 'assert($("title").eq(1).text() == "31", "The second <code>title</code> element should have tooltip text of 31.");'
|
||
|
- text: ''
|
||
|
testString: 'assert($("title").eq(2).text() == "22", "The third <code>title</code> element should have tooltip text of 22.");'
|
||
|
- text: ''
|
||
|
testString: 'assert($("title").eq(3).text() == "17", "The fourth <code>title</code> element should have tooltip text of 17.");'
|
||
|
- text: ''
|
||
|
testString: 'assert($("title").eq(4).text() == "25", "The fifth <code>title</code> element should have tooltip text of 25.");'
|
||
|
- text: ''
|
||
|
testString: 'assert($("title").eq(5).text() == "18", "The sixth <code>title</code> element should have tooltip text of 18.");'
|
||
|
- text: ''
|
||
|
testString: 'assert($("title").eq(6).text() == "29", "The seventh <code>title</code> element should have tooltip text of 29.");'
|
||
|
- text: ''
|
||
|
testString: 'assert($("title").eq(7).text() == "14", "The eighth <code>title</code> element should have tooltip text of 14.");'
|
||
|
- text: ''
|
||
|
testString: 'assert($("title").eq(8).text() == "9", "The ninth <code>title</code> element should have tooltip text of 9.");'
|
||
|
|
||
|
```
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Challenge Seed
|
||
|
<section id='challengeSeed'>
|
||
|
|
||
|
<div id='html-seed'>
|
||
|
|
||
|
```html
|
||
|
<style>
|
||
|
.bar:hover {
|
||
|
fill: brown;
|
||
|
}
|
||
|
</style>
|
||
|
<body>
|
||
|
<script>
|
||
|
const dataset = [12, 31, 22, 17, 25, 18, 29, 14, 9];
|
||
|
|
||
|
const w = 500;
|
||
|
const h = 100;
|
||
|
|
||
|
const svg = d3.select("body")
|
||
|
.append("svg")
|
||
|
.attr("width", w)
|
||
|
.attr("height", h);
|
||
|
|
||
|
svg.selectAll("rect")
|
||
|
.data(dataset)
|
||
|
.enter()
|
||
|
.append("rect")
|
||
|
.attr("x", (d, i) => i * 30)
|
||
|
.attr("y", (d, i) => h - 3 * d)
|
||
|
.attr("width", 25)
|
||
|
.attr("height", (d, i) => d * 3)
|
||
|
.attr("fill", "navy")
|
||
|
.attr("class", "bar")
|
||
|
// Add your code below this line
|
||
|
|
||
|
|
||
|
|
||
|
// Add your code above this line
|
||
|
|
||
|
svg.selectAll("text")
|
||
|
.data(dataset)
|
||
|
.enter()
|
||
|
.append("text")
|
||
|
.text((d) => d)
|
||
|
.attr("x", (d, i) => i * 30)
|
||
|
.attr("y", (d, i) => h - (d * 3 + 3))
|
||
|
|
||
|
</script>
|
||
|
</body>
|
||
|
|
||
|
```
|
||
|
|
||
|
</div>
|
||
|
|
||
|
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Solution
|
||
|
<section id='solution'>
|
||
|
|
||
|
```js
|
||
|
// solution required
|
||
|
```
|
||
|
</section>
|