How to Execute a JavaScript when a button is clicked

Button Example.

index.html

Example: HTML

<button onclick="myFunction()">Click me</button>

<p id="demo"></p>

<p>A function is triggered when the button is clicked. The function outputs some text in a p element with id="demo".</p>

<script>
function myFunction() {
  document.getElementById("demo").innerHTML = "Hello World";
}
</script>

Output should be:

Type:	html
Category:	Web Tutorial
Sub Category:	HTML Attribute
Uploaded by:	Admin