Validating url address in a form

Validating url address in a form

I’m also using the WAI ARIA attribute now, so if we leave ‘required’ in the label tag screen reader users will have ‘required’ read to them twice, which they could find rather annoying.

We then looked at how new CSS3 pseudo-classes can be used to give visual cues to the user as to which fields are required and options, and which contain valid or invalid data.

A few months ago Sandeep introduced us to the HTML Constraint API, showing how we can use the new HTML5 input types and attributes to validate our forms in the browser with minimal Java Script.

Today I’m going to walk you through validating a simple booking form by using the Constraint API, and keep an eye on how you can make sure your forms stay accessible too.

Finally we covered how to disable HTML form validation, and detect whether form validation was available or not in case we have to support browsers that are yet to support this feature.

Let me know what you think of all this in the comments.

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Also if connecting to a remote URL, you should have internet connection in your emulator or device. Make sure you have a database named mydatabase(in this case) and a table named “tbl_user” and some users inserted in it. Inside this folder I have a php file “check.php” which has the code for checking the user in the database.

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