Get your own website Result Size: 625 x 565
x
 
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript String Length</h2>
<p>The length property returns the length of a string:</p>
<p id="demo"></p>
<script>
var txt = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var len = txt.length;
document.getElementById("demo").innerHTML = len;
</script>
</body>
</html>