JavaScript lastIndexOf() Method
 JavaScript String Object
Definition and Usage
The lastIndexOf() method returns the position of the last found occurrence of a specified value
in a string.
This method returns -1 if the value to search for never occurs.
Syntax
| stringObject.lastIndexOf(searchvalue,fromindex) |
| Parameter |
Description |
| search |
Required. Specifies a string value to search for |
| fromindex |
Optional. Where to start the search from (from 0 and to the
length of the string). The default value is 0 |
Tips and Notes
Note: The lastIndexOf() method is case sensitive!
Example
Example
Do different searches within a string:
<script type="text/javascript">
var str="Hello world!";
document.write(str.lastIndexOf("Hello") + "<br />");
document.write(str.lastIndexOf("WORLD") + "<br />");
document.write(str.lastIndexOf("world"));
</script>
|
The output of the code above will be:
Try it yourself »
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JavaScript String Object
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