JavaScript substring() Method

Complete String Object Reference

Definition and Usage

The substring() method extracts the characters in a string between two specified indices.

Syntax

stringObject.substring(start,stop)

Tips and Notes

Note: The start index starts at 0.

Note: If the stop parameter is omitted, this method extracts to the end of the string.

Example

In this example we will use substring() to extract some characters from a string:

<script type="text/javascript">

var str="Hello world!";
document.write(str.substring(3));

</script>

The output of the code above will be:

lo world!

Example

In this example we will use substring() to extract some characters from a string:

<script type="text/javascript">

var str="Hello world!";
document.write(str.substring(3,7));

</script>

The output of the code above will be:

lo w

Try-It-Yourself Demos

substring()
How to use substring() to extract some characters from a string.

Complete String Object Reference

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