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JavaScript slice() Method
 Complete Array Object Reference
Definition and Usage
The slice() method returns selected elements from an existing array.
Syntax
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arrayObject.slice(start,end)
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| Parameter |
Description |
| start |
Required. Specify where to start the selection. Must
be a number. Starts at 0 |
| end |
Optional. Specify where to end the selection. Must
be a number |
Tips and Notes
Tip: You can use negative numbers to select from the end of the array.
Note: If end is not specified, slice() selects all elements from the
specified start position and to the end of the array.
Example 1
In this example we will create an array, and then display selected elements from
it:
<script type="text/javascript">
var arr = new Array(3);
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
document.write(arr + "<br />");
document.write(arr.slice(1) + "<br />");
document.write(arr);
</script>
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The output of the code above will be:
Jani,Hege,Stale
Hege,Stale
Jani,Hege,Stale
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Example 2
In this example we will create an array, and then display selected elements from it:
<script type="text/javascript">
var arr = new Array(6);
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";
arr[5] = "Tove";
document.write(arr + "<br />");
document.write(arr.slice(0,1) + "<br />");
document.write(arr.slice(2,4) + "<br />");
document.write(arr);
</script>
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The output of the code above will be:
Jani,Hege,Stale,Kai Jim,Borge,Tove
Jani
Stale,Kai Jim
Jani,Hege,Stale,Kai Jim,Borge,Tove
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Complete Array Object Reference
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