3.9 KiB
3.9 KiB
id | title | required | challengeType | |||
---|---|---|---|---|---|---|
587d7faa367417b2b2512bd6 | Add a Tooltip to a D3 Element |
|
6 |
Description
title
element.
title
pairs with the text()
method to dynamically add data to the bars.
Instructions
title
element under each rect
node. Then call the text()
method with a callback function so the text displays the data value.
Tests
tests:
- text: Your code should have 9 <code>title</code> elements.
testString: assert($('title').length == 9, 'Your code should have 9 <code>title</code> elements.');
- text: The first <code>title</code> element should have tooltip text of 12.
testString: assert($('title').eq(0).text() == '12', 'The first <code>title</code> element should have tooltip text of 12.');
- text: The second <code>title</code> element should have tooltip text of 31.
testString: assert($('title').eq(1).text() == '31', 'The second <code>title</code> element should have tooltip text of 31.');
- text: The third <code>title</code> element should have tooltip text of 22.
testString: assert($('title').eq(2).text() == '22', 'The third <code>title</code> element should have tooltip text of 22.');
- text: The fourth <code>title</code> element should have tooltip text of 17.
testString: assert($('title').eq(3).text() == '17', 'The fourth <code>title</code> element should have tooltip text of 17.');
- text: The fifth <code>title</code> element should have tooltip text of 25.
testString: assert($('title').eq(4).text() == '25', 'The fifth <code>title</code> element should have tooltip text of 25.');
- text: The sixth <code>title</code> element should have tooltip text of 18.
testString: assert($('title').eq(5).text() == '18', 'The sixth <code>title</code> element should have tooltip text of 18.');
- text: The seventh <code>title</code> element should have tooltip text of 29.
testString: assert($('title').eq(6).text() == '29', 'The seventh <code>title</code> element should have tooltip text of 29.');
- text: The eighth <code>title</code> element should have tooltip text of 14.
testString: assert($('title').eq(7).text() == '14', 'The eighth <code>title</code> element should have tooltip text of 14.');
- text: The ninth <code>title</code> element should have tooltip text of 9.
testString: assert($('title').eq(8).text() == '9', 'The ninth <code>title</code> element should have tooltip text of 9.');
Challenge Seed
<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>
Solution
// solution required