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This article mainly introduces "jquery how to remove the spaces before and after the string". In the daily operation, I believe many people have doubts about how to remove the spaces before and after the string in jquery. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how jquery removes the spaces before and after strings". Next, please follow the editor to study!

In jquery, you can use the "$.trim ()" function to remove spaces before and after a string, which removes all white space characters (newline characters, spaces, and tabs) at the beginning and end of the string, with the syntax of "$.trim (string variable)".

The operating environment of this tutorial: windows7 system, jquery1.10.0 version, Dell G3 computer.

How to remove spaces before and after a string by jquery

In jquery, you can use the $. Trim () function to remove white space characters from both ends of a string.

The $.trim () function removes all newline characters, spaces (including consecutive spaces), and tabs at the beginning and end of the string. If these white space characters are in the middle of the string, they will be retained and not removed.

The syntax is:

$.trim (str)

Examples are as follows:

$(function () {var str = "spaces preceded by spaces"; $("# original") .html ("Original String:'" + str + "'"); $("# trimmed") .html ("$.trim ()'ed:'" + $.trim (str) + "'");})

Output result:

At this point, the study on "how jquery removes the spaces before and after the string" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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