JavaScript
https://codepen.io/pen/
mdn Learning area
============================
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html lang="en">
<head>
<title>Apply JavaScript example</title>
</head>
<body>
<button>Click me</button>
<script>
// JavaScript goes here
function createParagraph() {
var para = document.createElement('p');
para.textContent = 'You clicked the button!';
document.body.appendChild(para);
}
var buttons = document.querySelectorAll('button');
for (var i = 0; i < buttons.length ; i++) {
buttons[i].addEventListener('click', createParagraph);
}
</script>
</body>
</html>
=======================
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html lang="en">
<head>
<title>Apply JavaScript example</title>
</head>
<body>
<p>Update your name</p>
<style>
p {
font-family: 'helvetica neue', helvetica, sans-serif;
letter-spacing: 1px;
text-transform: uppercase;
text-align: center;
border: 2px solid rgba(0,0,200,0.6);
background: rgba(0,0,200,0.3);
color: rgba(0,0,200,0.6);
box-shadow: 1px 1px 2px rgba(0,0,200,0.4);
border-radius: 10px;
padding: 3px 10px;
display: inline-block;
cursor:pointer;
}
</style>
<script>
// JavaScript goes here
var para = document.querySelector('p');
para.addEventListener('click', updateName);
function updateName() {
var name = prompt('Enter your name:');
para.textContent = 'Your Name ' + name;
}
</script>
</body>
</html>
=========================================
https://codepen.io/pen/
mdn Learning area
============================
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html lang="en">
<head>
<title>Apply JavaScript example</title>
</head>
<body>
<button>Click me</button>
<script>
// JavaScript goes here
function createParagraph() {
var para = document.createElement('p');
para.textContent = 'You clicked the button!';
document.body.appendChild(para);
}
var buttons = document.querySelectorAll('button');
for (var i = 0; i < buttons.length ; i++) {
buttons[i].addEventListener('click', createParagraph);
}
</script>
</body>
</html>
=======================
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html lang="en">
<head>
<title>Apply JavaScript example</title>
</head>
<body>
<p>Update your name</p>
<style>
p {
font-family: 'helvetica neue', helvetica, sans-serif;
letter-spacing: 1px;
text-transform: uppercase;
text-align: center;
border: 2px solid rgba(0,0,200,0.6);
background: rgba(0,0,200,0.3);
color: rgba(0,0,200,0.6);
box-shadow: 1px 1px 2px rgba(0,0,200,0.4);
border-radius: 10px;
padding: 3px 10px;
display: inline-block;
cursor:pointer;
}
</style>
<script>
// JavaScript goes here
var para = document.querySelector('p');
para.addEventListener('click', updateName);
function updateName() {
var name = prompt('Enter your name:');
para.textContent = 'Your Name ' + name;
}
</script>
</body>
</html>
=========================================
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