I wanted to check the credit card number on a form before submiting. What function can I run on the input before submission so that the input has something like onblur or onchange or something. Also any way to check the CVV number too or is there no algorithm for that? Thanks in advance for all the help.
on Monitis Blog.
Web performance monitoring is broken into two camps: passive and active. Passive monitoring is defined as looking at real-world historical performance by monitoring actual log-ins, site hits, clicks, requests for …
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