javascript complete reference

by document.getElementById () is null. This method either returns a node or returns NULL. Since null is a predictable output, you can detect the return result by using the identity operator = = = or the!== operator. The return value of the TypeOf operator has a function in addition to the string, number, Boolean, Undefined, and object mentioned above. From a technical standpoint, a function is also an object in JavaScript, not a data type. However,

the space that JavaScript handles. Therefore, this question is independent from the second question.A closed packet is known to allow the inner layer function to share the domain of the outer function, so it can be determined that the closure resolves:1 varArg_handler =function(ARG) {2 alert (ARG);3 };4 5 varreal_arg= "Hello World";6 varArg_wrapper=function(){7 returnArg_handler (real_arg);8 }9 TenWindow.onload=arg_wrapper;The second problem can

This article illustrates the way JavaScript implements the MD5 algorithm. Share to everyone for your reference, specific as follows: /** * * MD5 (message-digest algorithm) * http://www.webtoolkit.info/* **/var MD5 = function (string) {function Rotate Left (LValue, ishiftbits) {return (lvalue PS: Here again for you to provide 2 MD5 encryption tools, need friends can refer to: MD5 Online Encryption

This example describes the SHA-1 encryption algorithm implemented by JavaScript. Share to everyone for your reference, specific as follows: /** * Secure Hash algorithm (SHA1) * http://www.webtoolkit.info/* **/function SHA1 (msg) {function rotate_left (n,s ) {var T4 = (n More readers interested in JavaScript-related content can view this site: "

FCKeditor offers a complete JavaScript API so, can interact with it once the editor is loaded and running.FCKeditor provides a complete JavaScript API (Application public Interface) that you can use to process the FCK editor as long as it is loaded or running.Retrieving an editor instanceonce loaded, the editor registe

In the previous article, we used a template. The style sheets in the template are embedded. Some people may ask how to solve this problem if they are all external style sheets? This umbraco is also doing well ~! First, we should make the same. Edit the style sheet or Javascript externally, Then, some of them will be admitted. For example, this is edited externally. We first stick the style sheet out. Open the settings-> style

This article mainly introduces how to display the typing effect in the status bar of JavaScript. it involves the skills related to the character traversal in JavaScript and the operations on the status bar display by using time functions. it has some reference value, for more information, see the examples in this article. We will share this with you for your

Most of the programming languages that most people learn systematically are the differences between value types and reference types, one of the first points learned in the learning process of these languages. Let's look at the differences between basic data types (Primitive Types) and reference types (Reference Types) in Java