JavaScript slice() method

Complete String Object Reference

Definition and Usage

The slice() method extracts a part of a string and returns the extracted part in a new string.

Syntax

stringObject.slice(start,end)

Tips and Notes

Tip: You can use negative index numbers to select from the end of the string.

Note: If end is not specified, slice() selects all characters from the specified start position and to the end of the string.

Example 1

In this example we will extract all characters from a string, starting at position 0:

<script type="text/javascript">

var str="Hello happy world!";
document.write(str.slice(0));

</script>

The output of the code above will be:

Hello happy world!

Example 2

In this example we will extract all characters from a string, starting at position 6:

<script type="text/javascript">

var str="Hello happy world!";
document.write(str.slice(6));

</script>

The output of the code above will be:

happy world!

Example 3

In this example we will extract only the first character from a string:

<script type="text/javascript">

var str="Hello happy world!";
document.write(str.slice(0,1));

</script>

The output of the code above will be:

H

Example 4

In this example we will extract all the characters from position 6 to position 11:

<script type="text/javascript">

var str="Hello happy world!";
document.write(str.slice(6,11));

</script>

The output of the code above will be:

happy

Try-It-Yourself Demos

slice()
How to use slice() to extract characters from a string.

Complete String Object Reference

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