Validating textarea using javascript

A Java Script check is useful because it stops the form from being submitted if there is a problem, saving lots of time for your readers.The CGI script is still more reliable, as it always works regardless of whether Java Script is enabled on the client-side or not; but having this extra safety barrier is a nice thing to have in place.You can write a Java Script form validation script to check whether the required field(s) in the HTML form is blank or not. The following function can be used to check whether the user has entered anything in a given field. After that length property of string, object is used to get the length of the said parameter.

I have seen the codes from previous Stack Overflow but as I am using these and it is not working.

It makes your page much more user-friendly, and takes out the frustration of having to fill out the same form repeatedly.

It's also very precise, as you can point out the exact field where there's a problem.

It just means a bit more convoluted code – we have to get the collections of So there we have it – a simple and non-intrusive enhancement for instant form validation, providing accessible and visual cues to help users complete forms.

You can check out a demo below: See the Pen Instant Form Validation by Site Point (@Site Point) on Code Pen.

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