Nothing exciting here except in line 6 where the on Click event is triggered when the user clicks on the button.This event will launch the verify Email() Java Script function which will check the user input of the email address.is an open source component of Wrapp and is licensed under the MIT license.There are no required external dependencies at all!Form validation normally used to occur at the server, after the client had entered all the necessary data and then pressed the Submit button.If the data entered by a client was incorrect or was simply missing, the server would have to send all the data back to the client and request that the form be resubmitted with correct information.This was really a lengthy process which used to put a lot of burden on the server.
If you want to use async validation you need to use a runtime that supports Promises.
The project can be found on Git Hub where you can also find our issue tracker.
There is also a Travis project used for testing, a Coveralls project used to code coverage as well as the annotated source.
Last month I wrote about regular expressions in Java, today I’ll show you how to use regular expression in Java Script to validate email address.
Here is the code to validate email address in Java Script using regular expression.