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This article mainly introduces "how jquery modifies the class of tr". In daily operation, I believe many people have doubts about how jquery modifies the class of tr. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the question of "how jquery modifies the class of tr". Next, please follow the editor to study!

Modify the class method: 1, use removeClass () to remove the specified class from the tr element, syntax "$(" tr ") .removeClass (class)"; 2, use addClass () to add the specified class to the tr element, syntax "$(" tr ") .addClass (class)".

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

Jquery's method of modifying the tr class

First use removeClass () to remove the specified class from the tr element

Then use addClass () to add the specified class to the tr element

Example:

$(document) .ready (function () {$("button") .click (function () {$("tr") .removeClass ("intro1"); $("tr") .addClass ("intro2");}) }); .intro1 {color:red;} .intro2 {color:blue } person information, name, age. Peter 20 Lois 20 modifies the class of tr

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