Description

The indexOf() method returns the position of the first occurrence of a specified value in a string.

This method has the form:

string.indexOf(search,start)

Parameter	Description
search	(required) The string to search for
start	(optional) The start position in the string to start the search. If omitted, the search starts from position 0

Note: This method is case sensitive.

Examples

The following example shows the basic use of this method.

<script>
  var s = "Hello from JavaScript";
  document.write(s.indexOf("Java"));
</script>

This produces the following result:

Browser Support

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