Javascript function for validating email address

Javascript function for validating email address

If the element complies than sufunction returns an empty string.Otherwise it returns a message describing the error and highlight appropriate element with yellow.

Usually, in a form some fields are optional while some fields are mandatory, hence a javascript program is used to check if the input field is empty or null.

For the majority of your users, Java Script form validation will save a lot of time up front, but double-checking the data on the server remains necessary, in case the user has turned Java Script off.

Form data that typically are checked by a Java Script could be: validate Form On Submit ( ) This is a main function that calls a series of subfunctions, each of which checks a single form element for compliance.

The j Query validate plugin offers one of the the best ways of doing simple, effective email syntax validation on a web page.

27-Oct-2014: The script on this page has been updated to deal with cross-browser issues.

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