Definition and Usage The slice() method extracts a part of a string and returns the extracted part in a new string. Syntax stringObj...
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) |
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 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:
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:
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:
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: