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JavaScript Form Verification Login

Source: Internet
Author: User
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At the time of logging in, usually the input information is passed intact to the back end of the handler, and then return the results after processing, then the pressure on the backend server is very large, so you can submit the form before a few simple detection, and then to the backend, reduce the pressure on the server part:

<! DOCTYPE html>
　　
JavaScript Form Verification Login

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