jquery has trim method. In jquery, the trim() method is used to remove whitespace characters at both ends of a string. It will remove all newline characters, spaces (including consecutive spaces) and tab characters at the beginning and end of the string. The syntax "$.trim( str)". The trim() method can only be used in versions before jQuery 3.5, and is obsolete in jQuery 3.5 and above.
The operating environment of this tutorial: windows7 system, jquery3.6.1 version, Dell G3 computer.
jquery has a trim method.
jquery trim() method
$.trim() function is used to remove whitespace characters at both ends of a string.
Syntax:
$.trim( str )
| Parameters | Description |
|---|---|
| str | String type A string that needs to remove whitespace characters at both ends. |
Return value: The return value of the jQuery.trim() function is of String type and returns the string after removing the blank strings at both ends.
Note: The $.trim() function will remove all newline characters, spaces (including consecutive spaces) and tab characters at the beginning and end of the string. If these whitespace characters are in the middle of the string, they are retained and not removed.
Note:
trim() method can only be used in versions before jQuery3.5. The $.trim() function will be deprecated in jQuery 3.5 and above, and you can use JavaScript's native String.prototype.trim instead.
Usage example of trim() method
Remove spaces at the beginning and end of the string
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