search

Home >Web Front-end >Front-end Q&A >Does jquery have a trim method?

Does jquery have a trim method?

青灯夜游
青灯夜游Original
2022-11-18 19:59:311736browse

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 The trim() method can only be used in versions before jQuery 3.5, and is obsolete in jQuery 3.5 and above.

Does jquery have a trim method?

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

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<script src="js/jquery-1.10.2.min.js"></script>
	</head>
	<body>

		<pre id="original">

		<script>
			$(function() {
				var str = "         lots of spaces before and after         ";
				$("#original").html("Original String: &#39;" + str + "&#39;");
				$("#trimmed").html("$.trim()&#39;ed: &#39;" + $.trim(str) + "&#39;");
			})
		</script>

	
The above is the detailed content of Does jquery have a trim method?. For more information, please follow other related articles on the PHP Chinese website!
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：How to add parent tag in jqueryNext article：How to add parent tag in jquery
Related articles
See more