4.2 KiB
4.2 KiB
id | title | required | challengeType | videoUrl | localeTitle | |||
---|---|---|---|---|---|---|---|---|
587d7faa367417b2b2512bd6 | Add a Tooltip to a D3 Element |
|
6 | Adicionar uma dica de ferramenta a um elemento D3 |
Description
title
SVG. pares de title
com o método text()
para adicionar dinamicamente dados às barras. Instructions
title
sob cada nó rect
. Em seguida, chame o método text()
com uma função de retorno de chamada para que o texto exiba o valor dos dados. Tests
tests:
- text: Seu código deve ter 9 elementos de <code>title</code> .
testString: 'assert($("title").length == 9, "Your code should have 9 <code>title</code> elements.");'
- text: O primeiro elemento do <code>title</code> deve ter um texto de dica de ferramenta de 12.
testString: 'assert($("title").eq(0).text() == "12", "The first <code>title</code> element should have tooltip text of 12.");'
- text: O segundo elemento do <code>title</code> deve ter o texto da dica de ferramenta de 31.
testString: 'assert($("title").eq(1).text() == "31", "The second <code>title</code> element should have tooltip text of 31.");'
- text: O terceiro elemento do <code>title</code> deve ter o texto da dica de ferramenta de 22.
testString: 'assert($("title").eq(2).text() == "22", "The third <code>title</code> element should have tooltip text of 22.");'
- text: O quarto elemento do <code>title</code> deve ter um texto de dica de ferramenta de 17.
testString: 'assert($("title").eq(3).text() == "17", "The fourth <code>title</code> element should have tooltip text of 17.");'
- text: O quinto elemento do <code>title</code> deve ter um texto de dica de ferramenta de 25.
testString: 'assert($("title").eq(4).text() == "25", "The fifth <code>title</code> element should have tooltip text of 25.");'
- text: O sexto elemento do <code>title</code> deve ter um texto de dica de ferramenta de 18.
testString: 'assert($("title").eq(5).text() == "18", "The sixth <code>title</code> element should have tooltip text of 18.");'
- text: O sétimo elemento de <code>title</code> deve ter um texto de dica de ferramenta de 29.
testString: 'assert($("title").eq(6).text() == "29", "The seventh <code>title</code> element should have tooltip text of 29.");'
- text: O oitavo elemento de <code>title</code> deve ter um texto de dica de ferramenta de 14.
testString: 'assert($("title").eq(7).text() == "14", "The eighth <code>title</code> element should have tooltip text of 14.");'
- text: O nono elemento de <code>title</code> deve ter um texto de dica de ferramenta de 9.
testString: 'assert($("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