This will give you a better idea of when to use the JavaScript reducer for optimal performance in your program. First, we check if the reduce method was called on a null or undefined object.

Thankfully, using JavaScript to create this effect isn’t that difficult. In this article, I’m going to show you how to write the JavaScript code for a rollover, step by step.

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.

It is similar to an old Galaga style game with the following features. The objective is to learn using JavaScript programming through making Space Shooter Game. To play the game: Some possible ...

The JavaScript is still working behind the scenes. Essentially, we get a more granular HTML syntax, which can just load segments instead of whole pages, and can submit Ajax requests.

Before you start the match you build the AI for your army via JavaScript: How to build a base, which units to build, resources to gather, and where to upgrade first.