Form Data Validation

Posted by arlene

As the reader may have discovered by now, when the ‘Send data‘ button is clicked, no testing occurs to ensure that form elements have been filled in, checked, or selected; it is quite easy for participants to supply no information at all and just submit an empty form. Happily, it is possible to use JavaScript [...]

Adding JavaScript to the HTML Form

Posted by arlene

Incorporating JavaScript in HTML documents is quite easy, and can add many useful features to your pages. You should note that not every browser supports JavaScript, and even though most do, not everyone will have it enabled, so you need to consider what happens when it is disabled. Sometimes, the system can still work without [...]

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