JavaScript

Global variables are not good. So when it comes to the fame variable, you should use the unique var pattern in the function body (single Var). This model has a number of benefits: Provides a unique place to see the variables in the body of

this series as effective JavaScript 's reading notes. JavaScript not in Block Scoping , only Function Scoping . so if in a Block defines a variable, then the variable is defined as the Block belong to the Function , such as:function Iswinner (Player,

A previous article briefly introduced the JavaScript Template (hereinafter referred to as Tmpl). It acts as a front-end template, powerful and code-refining. The source is not long, it is not difficult to read, but the idea is really sharp. This is

Dom Event Flow:The DOM (Document Object model) structure is a tree structure, and when an HTML element produces an event, the event propagates in a particular order between the element node and the root node, and the node that passes through the

Some of the relevant values1, 0, ' 1 ', ' 0 ', true, false, ' true ', ' false ', Nan, ' Nan ', Undefined, ' undefined ', null, ' undefined ', ', [], {}true = = 1//truetrue = = ' 1 '//truetrue = = ' true '//false, except ' 1 ', true not equal to any

In order to solve the problem of the prototype, we need to create the object by combining construction methods and prototypes, define the properties in the constructor method, and define the method in the prototype . This effective aggregation of

The problem is not supported for getelementsbyclassname in JavaScript in IE 6/7/8.Then the need to simulate the getelementsbyclassname needs to take the classname attribute, which involves the getattribute problem in JavaScript.In IE 6/7, there is a

Part1---------------------------------------------------------------------------------------------------------1. PrefaceThese two days looked at Uncle Tom's "in-depth understanding JS series" In the basic part, according to their actual situation,

The rise of jquery makes the arraylike (class array) shine in JavaScript, which provides the basis for the behavior (function) expansion of a set of data.A class array and arrays are similar, have some behavior of the array, but it can be more

JavaScript strings and arrays have many ingenious methods, such as splice, indexOf, and replace, which occasionally produces a pleasing effect in string processing.For example, the template engine replacement part in underscore, such as the

Nan represents a result of an operation that does not produce normal results. It does not equal any value, including its own. Can be detected with isNaN (number). Like a string in Java, the string in JS is immutable. This means that once a string

JavaScript has a lot of interesting uses and can be found in Google Code search, for example:Try to know that the meaning of this code is to declare a function, and then immediately execute, because the scope of variables in JavaScript is based on

Reprint: http://msdn.microsoft.com/zh-cn/library/he95z461 (v=vs.94). aspxGets The parameters of the currently executing Function object. function. ArgumentsNotefunction argument is the name of the currently executing function, and can be omitted. ">

Original: http://mozilla.com.cn/post/21667/===========================Last time, the team had several times to share the force, here to the West wind master to share the inheritance mechanism a little to tidy up a bit, appropriate add some

Nan represents a result of an operation that does not produce normal results. It does not equal any value, including its own. Can be detected with isNaN (number). Like a string in Java, the string in JS is immutable. This means that once a string

Disable the iframe pop-up window to overwrite the parent window. The iframe window The iframe function I want is not to control the parent page. If he wants to control it, which code can be added to the parent page to make it unmanageable?If iframe

Javascript implements code instances similar to asp data dictionary data types, js Data Types First declare an array:Copy codeThe Code is as follows:Var dictNew = new Array; Var key; Var value; For (var I = 0; I // Obtain the key-value pair to be

Clear the cache of css, javascript, and background images in the browserIn the actual project development process, the page is uploaded to the server. To reduce the load on the server and reduce the load on the server, the browser caches images, css,

The difference between the read function in jQuery and the onload function in JavaScript, jqueryonload In JavaScript, the onload function is the most frequently used, and almost all children's shoes involved in JavaScript need to access it. This

JQuery. tmpl () usage example, jquery. tmpl Dynamic Request data to update pages is now a very common method, such as paging dynamic loading of blog comments, rolling loading of Weibo, and loading of scheduled requests. In these cases, the data