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.

In JavaScript, for example, you can assign a number to a variable named "x" as easily as you can assign the word "apple" to it. This flexibility allows you to create programs without worrying ...

It's been a while since I worked on regexs in JavaScript, but generally the way you do this in most programming languages is to build the regex as a string and then pass it into the regex engine.