How to Do Addition in JavaScript. Performing JavaScript addition may seem like a simple task, until you discover the number of different ways you can add them.

Do you need to perform an Ajax file upload with pure JavaScript? This example lays out the steps to accomplish an Ajax file upload without the need for a JavaScript library like jQuery or Dojo.

Since JavaScript is designed to expose the code itself to the user, it is obfuscated for reverse engineering measures or equipped with an anti-debugger. A simple and effective countermeasure ...