JavaScript tips (2): Form Submission Validation class

Source: Internet
Author: User
Tags count return string domain name domain name registration to domain
Javascript| Form Submission | tips

1 form items cannot be empty



2 Compare the values of two table items

3 form items can only be numbers and "_" for phone/bank account verification, can be extended to domain name registration, etc.


4 table Single input value/length limit

Chinese/English/digital/email address legality judgment

Qualifying the characters that a form item cannot enter



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