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A question that has been omitted, about repeated form submission_form special effects

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Release： 2016-05-16 19:18:49

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JSCRIPT when doing login judgment on the homepage:

The following is the code:

Copy the code The code is as follows:

 When recording, I actually found that there are many records with the same one, which is very frustrating ~ My FORM ACTION sentence is: 

Related labels：

一直复略了的一个问题，关于表单重复提交

source：php.cn

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