Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more. Forms are an essential ...

JavaScript's versatility makes it useful for webpages and web servers, but also functional programming. This tutorial shows how to implement JavaScript functional programming.

IDG For starters, let’s create a function that draws a watercolor spot with a given position, radius, and hue. P5.js gives us a function to draw an ellipse that we already used last week. By ...

If you’ve gone through Thau’s basic JavaScript tutorial (or you already know a bunch about the subject), Thau’s advanced JavaScript course is just for you. In the previous tutorial, Thau ...

Nevertheless, I think that this is a worthwhile read for anyone starting in the Ajax world. A middle-of-the-road book that might appeal to more experienced Web developers, while providing a tutorial ...

So I've got a fairly simple form that has a drop down selection and a checkbox. I'm using this to verify that a school has be selected and that the checkbox has been ticked. function validate ...