JavaScript

The first type: View-source method View-source is a protocol that is essentially supported by every browser in the early days. But do not know what reason, from IE6 Beta2 after IE no longer support this agreement. This method can only be used in

JavaScript seamlessly scroll up and down Gao Dingkuan Pause effect (compatible IE/FF) javascript seamless up and down rolling Gao Dingkuan pause effect (compatible ie/ff) var $ = function (ID) {return "string" = = typeof ID?

Accustomed to C # syntax, encountered multiple branch calls, in addition to the simplest if-else, then is switch-case, so the use of JavaScript is very easy to write the following code: Copy Code code as follows: JScript Source Code The

Test environment (client browser) IE6,IE7, IE8 compatibility mode, IE8 Firefox 3.6.8, Google Chrome 5.0.375.125 The standard definitions of two functions are described first. Elementnode.setattribute (Name,value) Name required. Specify the name of

First, the preface The JavaScript language has subtle differences under different browsers, but unlike DOM operations, it now lists one of the "for loops" differences and explains how to effectively resolve the differences. Second, the problem

I. Classification of Errors 1, syntax error: Also known as parsing errors, occurs in the traditional language of the compilation, in JavaScript occurs in the interpretation. These errors are caused directly by unexpected characters in the code,

JavaScript is a relatively complete front-end development language, in today's web development applications are very wide, especially for Web 2.0 applications. As Web 2.0 becomes more and more popular today, we will find that there will be a lot of

Instanceof and typeof in JavaScript are often used to determine what type of variable is (an instance), but their use is different: typeof operatorReturns a string that is used to represent the data type of an expression. typeof expression; The

A recent embedded project requires Web functionality, so think of using html+javascript to implement some parameter configuration functions, the parameters from JavaScript generated hexadecimal data, submitted to the microcontroller by post, and

In JavaScript, all integer numeric variables are signed by default, what does that mean? A signed integer uses a 31-bit numeric value that represents an integer, a symbol with a 32nd digit integer, 0 for a positive number, and a 1 for negative

This article details the JavaScript of various common function definition methods, share for everyone to reference. The specific analysis is as follows: First take a look at four of the most common function definitions of javascript: Functions

This is a simple article about some of the techniques used in JavaScript arrays. We will use different methods to combine/merge two JS arrays, and discuss the pros/cons of each method. Let us first consider the following: Copy Code code as

JS there is no standard multi-line string representation method, but in the template, in order to ensure the readability of the template, we will inevitably use multi-line strings, so there are a variety of way, here with a jade template as an

In JavaScript code, you can use the alert () function of the Window object to display a piece of text, to debug your program, or to alert the user to the relevant information: Copy Code code as follows: Use Window object ' s alert ()

Often see examples of this: Copy Code code as follows: var A; var b=!! A A default is undefined.!a is true,!! A is false, so the value of B is false, not undefined, and not other values, primarily for subsequent judgment. !

The example in this article describes the way JavaScript implements the Register button clickable after 10 seconds. Share to everyone for your reference. The specific analysis is as follows: 1. Registration button Initial state is not available,

The rigorous model introduced in ECMASCRIPT5 allows the developer to have a "better" JavaScript language by allowing JavaScript to run the environment to make and present different processes for the most common and difficult bugs in the development

This example describes the use of JavaScript object clone. Share to everyone for your reference. Specifically as follows: Object.prototype.clone=function () { var objclone=new this.constructor (); This is to create an object for the same

Here are my learning notes, which should be useful for JavaScript beginners. Scope of a variable To understand closures, you must first understand JavaScript's special variable scope. The scope of a variable is nothing more than two kinds: global

If you simply convert the current time to a timestamp, you can use the new date (). GetTime ()/1000, but if you turn a specific time or date into a Unix timestamp, IE does not support a method with parameters like new date ("2013-1-1") and returns