Javascript classes, namespaces, code Organization code _JAVASCRIPT Tips

Copy Code code as follows: $ (function () { Pagejs.urls = [ '/', ' Index ', ]; Pagejs.run (); }); The functions include HTML elements. Ajax function also can is put here. var Common = { Init:function () { Alert (' Common '); } };

JavaScript algorithm Learning (direct insertion sort) _javascript tips

1. Basic Ideas Suppose the records to be sorted are stored in array R[1..N]. Initially, the r[1] is a 1 ordered region and the disordered region is R[2..N]. From i=2 up to I=n, the r[i] is inserted into the current ordered region r[1..i-1, in order

JavaScript implementation upload picture and preview the effect of code _javascript skills

Today, the src genus with the AlphaImageLoader filter is the protagonist. It will use an absolute or relative URL address to specify the background image. If you omit this parameter, the filter will not function. Copy Code code as follows:

Proficient in the JavaScript series data type string _javascript tips

JS has 9 data types, namely undefined (undefined), null (NULL), Boolean (Boolean), String (string), numeric (number), objects (object), reference (reference), List (completion). The latter 3 are just as JS running intermediate results of the data

Proficient JavaScript series JavaScript Basics _javascript Tips

Basic concepts of Javascrpit: 1 case-sensitive, like Java, variables, functions, operators, and everything else in JS are case-sensitive, for example: variable MyTag and MyTag are two different variables. 2) Weak type change. So the weakly typed

JavaScript Learning Notes (vii) using JavaScript to create and store Cookie_javascript tips

First look at the basics: 1. What is a cookie A cookie is a variable that is stored in a visitor's computer. This cookie is sent whenever the same computer requests a page through the browser. You can use JavaScript to create and retrieve a cookie's

Proficient in the JavaScript series numerical computing _javascript techniques

A little more intuitive: --------------------- Example: Var a=32.6; var b=67; var c=9e5; --------------------- For numeric types, if you want to convert to scientific notation, you can use the Toexponential () method, which takes a parameter that

function code sharing _javascript techniques for dynamically loading external JavaScript files

Copy Code code as follows: (function (clover) { Clover.loadscript = function loadscript (URL, callback) { var heads = document.getElementsByTagName (' head '); if (Heads.length = = 0) { Alert ("Page must have one head element"); } var

JavaScript to determine whether the function is new or () Call the difference description _javascript tips

Mode 1 Copy Code code as follows: function Person (n,a) { THIS.name = n; This.age = A; if (this instanceof person) { Alert (' New call '); }else{ Alert (' function call '); } } var p = new Person (' Jack ', 30); -->

Use JavaScript to get the percent of Flash load implementation code _javascript tips

Copy Code code as follows: flash download PercentLoaded

JavaScript Easypager paging function _javascript Tips

Copy Code code as follows: var Easypager = function (wrap,pagecount,currpage) { var d = document , el = function (tag,inner,click,css) { Tag = d.createelement (tag); Inner && (tag.innerhtml = inner); Click && (tag.onclick = click); CSS &&

JavaScript Implementation page scrolling picture loading (imitation lazyload effect) _javascript tips

Why do you write this article? 1. Optimize the page very practical method, technology implementation is not difficult; 2. Search the relevant content of the article, seems to be using jquery method, but if the webmaster do not need jquery can not

Some common JavaScript functions (JSON) with a detailed description of _javascript tips

Copy Code code as follows: var YX = { Get the type of JS built-in data type, the return value includes [Date,regexp,number,string,array,boolean,function,null,undefined,object] Gettype:function (obj) { return obj = null? obj + "":

The design idea of JavaScript inheritance mechanism sharing _javascript skills

It's been hard for me to understand the inheritance mechanism of JavaScript language. It does not have the concept of "subclass" and "parent", and there is no distinction between "class" and "instance" (instance), which relies on a peculiar

How to access SharePoint list data in JavaScript _javascript tips

There is a good solution in the SharePoint2010 (see the Http://www.jb51.net/article/27198.htm SharePoint Client Programming series for details), but it's not as useful in SharePoint2007. , specific problem analysis, this article is to solve the

The basic mechanism analysis of JavaScript prototype inheritance _javascript skills

The nature of this language function relies on the JavaScript-specific prototype chain (prototype chain) pattern. So in a strictly speaking sense, JavaScript is a prototype oriented object-oriented language. In other words, each instance object has

How to use the With statement on JavaScript _javascript tips

The concept of the package or namespace should not be unfamiliar to the students who have used Java and. NET, and because of this concept, the simplicity and readability of the code is guaranteed. I do not know how JavaScript design at the beginning

The _javascript techniques of the execution environment in JavaScript

-This starts with the JavaScript interpreter: Whenever the JavaScript interpreter starts executing a function, it creates an execution environment and produces a variable object that is closely related to the function. All variables or functions

JavaScript parseint using _javascript techniques

Java also has the Integer.parseint () method, but JavaScript parseint processing is not the same as Java, such as strong integer language, so often someone because of the use of this method to get abnormal return. The following is a section of Java

Native JavaScript implementation of the paging plugin Pagenav_jquery

This is the use of native JavaScript implementation of the paging plug-in Pagenav, page number display jquery Plug-ins, only need to exist #pagenav, you will be displayed in the page number, the call can be based on the need to rewrite the Go method.

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