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<!DOCTYPE html>
<html>
<body>
​
<img id="myImg" src="w3javascript.gif" width="100" height="132">
<br>
​
<button type="button" onclick="myFunction()">Change height and width of image</button>
​
<script>
function myFunction() {
  document.getElementById("myImg").style.height = "300px";
  document.getElementById("myImg").style.width = "300px";
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_style_height_width by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:03:39 GMT -->
</html>
​
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