HTML and JavaScript can be used together in a web page by including JavaScript code within an HTML file using the <script> tag. The code should be placed within the <head> or <body> section of the HTML document, depending on when you want the JavaScript code to be executed.
Here’s an example:
<!DOCTYPE html>
<html>
<head>
<script>
function myFunction() {
document.getElementById("demo").innerHTML = "Hello World";
}
</script>
</head>
<body>
<h1>Using HTML and JavaScript Together</h1>
<p id="demo"></p>
<button onclick="myFunction()">Click me</button>
</body>
</html>In this example, the JavaScript function myFunction is defined within the <script> tag in the <head> section of the HTML document. The function modifies the content of a <p> element with an id of “demo” when the “Click me” button is clicked.
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