文章目录
jQuery.trim( str )
Returns:
String
Description: Remove the whitespace from the beginning and end of a string.
-
version added:
1.0jQuery.trim( str )strThe string to trim.
The $.trim() function removes all newlines, spaces (including non-breaking spaces), and tabs from the beginning and end of the supplied string. If these whitespace characters occur in the middle of the
string, they are preserved.
Examples:
Example: Remove the two white spaces at the start and at the end of the string.
<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
<pre id="original"></pre>
<pre id="trimmed"></pre>
<script>
var str = " lots of spaces before and after ";
$("#original").html("Original String: '" + str + "'");
$("#trimmed").html("$.trim()'ed: '" + $.trim(str) + "'");
</script>
</body>
</html>Example: Remove the two white spaces at the start and at the end of the string.
$.trim(" hello, how are you? ");Result:
"hello, how are you?"