This snippet searches an array for a pre-specified element and returns 'true' if it's found, 'false' if it's not found. It functions like the in_array() in PHP.

This JavaScript uses a short JavaScript code to redirect to another URL. Though the code is simple but we need decorate the page with image/message to notice to visitors.

This JavaScript makes color of text change when visitors move mouse over it.

This free JavaScript snippet guides you how to remove an element in JavaScript array, by the value of element or its index. Very useful and helpful for coding and programming in JavaScript. Indexes in this JavaScript snippet:

- Remove Array element by Index, with splice() method.
- Remove Array element by Value

This JavaScript code example will dynamically add/remove HTML elements with content included within them according to the DOM2 specification. A very easy JavaScript code to learn and use DOM.

Try more JavaScript codes on jsB@nk to handle DOM better:

- JavaScript OOP with Input Display Toggle
- JavaScript Content Auto-Indexing using DOM
- JavaScript Add More Unlimited Input Fields

Let use this JavaScript code if you want to load serval functions with onLoad event. Very short script and easy to use, but you can load unlimited functions.

Add a button to allow your visitors to print your Web page. Compact and simple, yet highly requested.

This browser sniffer detects all the major browsers currently out there, and passes the results on as variables to facilitate your browser detection needs. It differentiates between Windows, Mac and Linux, and the most commonly used DHTML browsers - IE4/5/6, Netscape 4/6/7/other Gecko, Konqueror 2.2+, Safari, Opera 5/6/7. All other browsers are grouped together under a single exclude variable, to protect them from complex scripting.

The JavaScript prototype functions in this JavaScript article tutorial are collected by jsB@nk from many JavaScript resources on the Internet. These JavaScript prototype functions are very helpful and essential to your JavaScript applications, web-based applications if you need to reduce time and work to process JavaScript tasks. And if you are still not good at JavaScript prototype functions, please read the JavaScript article below:
- JavaScript Prototype: Some Basic Concepts
- Prototype Dollar Function

This JavaScript article tutorial provides you the JavaScript source codes of 13 JavaScript prototype functions to process JavaScript Strings, JavaScript Arrays and Number variables, please go to the full-post page for details, now jsB@nk shows you some very popular JavaScript prototype functions only:
- contains: check if a string contains a child string
- trim: strips all redundant spaces from beginning and end of string
- copy: copy/clone an array variable
- random: return a random element, optionally up to or from range

This JavaScript uses the onLoad & onUnload events to say hello every time you visit page and say good bye every time you exit.