Javascript Form Verification example _ javascript skills

This article mainly introduces JavaScript form verification. JavaScript can be used to verify the input data in the HTML form before the data is sent to the server, interested friends can refer to the examples in this article to share the js Form Verification for your reference. The details are as follows:

JavaScript can be used to verify the input data in the HTML form before the data is sent to the server.
Typical form data verified by JavaScript includes:
1) Have you entered the required items in the form?
2) is the email address entered by the user legal?
3) Have you entered a valid date?
4) Have you entered text in the numeric field?

Gspan.html

  Form Verification instance