2.2 KiB
2.2 KiB
id | title | required | challengeType | |||
---|---|---|---|---|---|---|
587d7faa367417b2b2512bd4 | Add a Hover Effect to a D3 Element |
|
6 |
Description
attr()
method. Then the :hover
pseudo-class for your new class holds the style rules for any hover effects.
Instructions
attr()
method to add a class of bar
to all the rect
elements. This changes the fill
color of the bar to brown when you mouse over it.
Tests
tests:
- text: Your <code>rect</code> elements should have a class of <code>bar</code>.
testString: assert($('rect').attr('class') == "bar", 'Your <code>rect</code> elements should have a class of <code>bar</code>.');
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) => 3 * d)
.attr("fill", "navy")
// 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 - (3 * d) - 3);
</script>
</body>
Solution
// solution required