The latest JavaScript specification standardizes a well-balanced and thoughtful set of features, including the built-in ...

Like most languages, arrays in JavaScript are “base 0” meaning the first element has an index of 0 rather than 1. You can also see that myOtherArray can hold a diversity of types: numbers ...

A listbox is a selection element on websites that lets you select from one or multiple items in a scrollable list. The elements contained within this listbox can be manipulated by the right type ...

Retrieving elements from an iFrame can be complicated process due to cross-browser incompatibility. While one method might work for a user accessing your site with Internet Explorer, it may not ...

Then, the classNames for the form elements are swithced with JavaScript. Marko also uses JavaScript to preloaded the custom images. Here's an example of his technique from the Nacional news magazine: ...

John Mueller from Google advises placing JavaScript code underneath the HTML element to ensure that search engines can clearly understand your website. To make sure that search crawlers can ...