JavaScript USES indexOf to get the position of a substring in a string

2020-05-26 07:48:24
OfStack

This example shows how JavaScript USES indexOf to get the position of a substring in a string. Share with you for your reference. The details are as follows:


<!DOCTYPE html>
<html>
<body>
<p id="demo">
Click the button to locate where in the string
a specifed value occurs.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction()
{
var str="Hello world, welcome to the universe.";
var n=str.indexOf("welcome");
document.getElementById("demo").innerHTML=n;
}
</script>
</body>
</html>

I hope this article has been helpful to your javascript programming.