The most original jquery registration authentication method _jquery

The first of these is the original form authentication method, that is, no instant authentication is used, the submit button is required to verify, no regular expression or Ajax validation, or jquery verification, but so many validations are followed by the first, instant validation, regular validation.
The most original way of registration verification, you need to click the Submit button to verify that the details are as follows

First figure:

Specific code

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