Skip to content

Instantly share code, notes, and snippets.

@venhuisuofa

venhuisuofa/.block

Last active March 24, 2018 17:08
Show Gist options
  • Save venhuisuofa/0de6a87b6047f774b66de580ec266938 to your computer and use it in GitHub Desktop.
Save venhuisuofa/0de6a87b6047f774b66de580ec266938 to your computer and use it in GitHub Desktop.
Download ZIP
D3 Workshop: Part 1 - Basic HTML, d3, and Data Binding
Raw
.block
license: mit
Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
</head>
<body>
<input type="button"
value="Run d3 code"
onclick="runCode()"/>
<div id="sandbox">
<p class="standard">Para 1</p>
<p class="standard">Para 2</p>
<p class="standard">Para 3</p>
<p class="standard">Para 4</p>
</div>
<script>
function runCode() {
let myData = ["new para 1", "new para 2"];
let sandbox = d3.select('#sandbox');
sandbox.selectAll('p.standard')
.style('font-size', "20px")
.text('Hellooooooooooo');
let newParas = sandbox.selectAll('p.newPara')
.data(myData)
.enter()
.append('p')
.classed('newPara', true)
.text(function(d){return d})
// .text(d=>d) // alternate form
.on('click', function(d) {
console.log('Hello');
d3.select(this)
.style('color', 'red')
.style('font-size', '50px')
.text('neeeeewwwwwwww');
});
// using the shorthand you may run into some issues
d3.selectAll('input')
.property('checked', true);
}
</script>
<!-- ---------------------------------------------------------- -->
<!-- ---------------------------------------------------------- -->
<!-- Ignore this text below, it's not relevant for the exercise -->
<!-- ---------------------------------------------------------- -->
<!-- ---------------------------------------------------------- -->
<p class="exercise">
<hr/>
<h3>Exercise:</h3>
<ul>
<li>Part 1</li>
<ol>
<li>
<label>
<input type="checkbox"/>
<span class="exercise">Add Para 3 and Para 4 Manually</span>
</label>
</li>
<li>
<label>
<input type="checkbox"/>
<span class="exercise">Debug the issue with the button</span>
</label>
</li>
<li>
<label>
<input type="checkbox"/>
<span class="exercise">Make the text larger</span>
</label>
</li>
<li>
<label>
<input type="checkbox"/>
<span class="exercise">Change the text</span>
</label>
</li>
</ol>
<li>Part 2</li>
<ol>
<li>
<label>
<input type="checkbox"/>
<span class="exercise">Add an array of two pieces of text, name it "myData"</span>
</label>
</li>
<li>
<label>
<input type="checkbox"/>
<span class="exercise">Append the data as new paragraphs</span>
</label>
</li>
<li>
<label>
<input type="checkbox"/>
<span class="exercise">Class the paragraph</span>
</label>
</li>
<li>
<label>
<input type="checkbox"/>
<span class="exercise">console.log('Hello!') on new paragraph click</span>
</label>
</li>
<li>
<label>
<input type="checkbox"/>
<span class="exercise">Change the text on click</span>
</label>
</li>
</ol>
<li>Part 3: You're done!</li>
<ol>
<li>
<label>
<input type="checkbox"/>
<span class="exercise">Check everything off using d3 on clicking button</span>
</label>
</li>
</ol>
</ul>
</p>
<style>
body {
margin: 20px;
}
ul > li {
font-weight: bold;
margin: 5px 0px;
}
ol li {
font-weight: normal;
margin-bottom: 0px;
}
ol li label {
cursor: pointer;
}
input:checked~.exercise {
text-decoration: line-through;
}
</style>
</body>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment