JavaScript Language | 10 Minute‐Test 24

Browsers that implement the “Web Storage” draft specification define two properties on the Window object: localStorage and sessionStorage. Both properties refer to a Storage object—a persistent associative array that maps string keys to string values.

The above code starts displaying the time when the document loads.

The setTimeout(), which registers a function to be invoked after a specified amount of time.

Nested functions are common in client-side JavaScript, because of its extensive use of event handlers.

Like Dojo, it is a large, all-encompassing library with language utilities, DOM utilities, UI widgets, and so on. There are actually two incompatible versions of YUI, known as YUI 2 and YUI 3.

The setTimeout() method of the Window object schedules a function to run after a specified number of milliseconds elapses.

The decodeURIComponent() is a global function defined by client-side JavaScript.

The navigator property of a Window object refers to a Navigator object that contains browser vendor and version number information.

When the first argument of the open() is omitted, the about:blank is opened.

Both Text and Comment are basically strings of text, and these nodes are much like the Text nodes that represent the displaying text of a document.