JavaScript can change attributes:

index.html

Example: HTML

<!DOCTYPE html>
<html>
<body>

<h1>My First JavaScript</h1>
<p>Here, a JavaScript changes the value of the src (source) attribute of an image.</p>
<script>
function light(sw) {
  var pic;
  if (sw == 0) {
    pic = "https://itupto.com/uploads/demo/2023-09-17-13-49-19-pic_bulboff.gif"
  } else {
    pic = "https://itupto.com/uploads/demo/2023-09-17-13-58-06-pic_bulbon.gif"
  }
  document.getElementById('myImage').src = pic;
}
</script>

<img id="myImage" src="https://itupto.com/uploads/demo/2023-09-17-13-49-19-pic_bulboff.gif" width="100" height="180">

<p>
<button type="button" onclick="light(1)">Light On</button>
<button type="button" onclick="light(0)">Light Off</button>
</p>

</body>
</html>

Output should be:

Single Articles

Basic Example of A Taste of JavaScript	HTML JavaScript
Full Example of A Taste of JavaScript	HTML JavaScript
JavaScript can change attributes:	HTML JavaScript

What is HTML JavaScript	HTML JavaScript
How to use The HTML <script> Tag	HTML JavaScript
How to create A Taste of JavaScript	HTML JavaScript
How to create The HTML <noscript> Tag	HTML JavaScript

Type:	Html
Category:	Web Tutorial
Sub Category:	HTML JavaScript
Uploaded by:	Admin