JavaScript

Copy codeThe Code is as follows: I am still happy to use it, but how many people know it is wrong! Cause of error:(1) The structure of the page is changed during page loading. in IE6, if the network slows down or the page content is too large, the

1. What is a closure?The "official" explanation is: the so-called "closure" refers to an expression (usually a function) with many variables and an environment bound to these variables ), therefore, these variables are part of the expression.I

This is the menu content. Use ul label to implement the menu:Copy codeThe Code is as follows: menu 1 sub-menu 1 sub-Menu 2 sub-menu 7 sub-menu 3 menu 2 sub-menu 4 sub-menu 5 sub-menu 6 This is the CSS control code:Copy

First, Jquery untitled document first, we 'd better not meet each other, in this way, you will not fall in love with each other. Second, it is best not to know each other. Third, it is best not to be accompanied. Fourth, it is best not to

My summary of the Array object is: Method 5, method 3, Method 121. Method 5 of declaration: only for one-dimensional arrays, of course, there are two-dimensional 3D. I will not explain it here.Copy codeThe Code is as follows:Var a = new Array ();Var

Client verification can effectively reduce the number of data transfers between the server and the client, improve the resource utilization path of the server, and provide users with intuitive and fast responses. In the Web 2.0 era, this is

The limit is an integer.Copy codeThe Code is as follows: CheckNumber Restricted to currencyCopy codeThe Code is as follows:// Trigger the eventOnblur = "checkMoney (this )"

If you have better insights, you can discuss it!Copy codeThe Code is as follows:/** Js Class Cookie* Author: Mr Co*/Var Cookie = function (/* Cookie name */name ){This. $ name = name;Var allcookies = document. cookie;If (allcookies = '') return;Var

1. First, let's take a look:2. ext codeCopy codeThe Code is as follows:// Ext. namespace ('xqh. ExtJs. framework ');XQH. ExtJs. Frame. RoleManage = function (){This. init ();};Ext. extend (XQH. ExtJs. Frame. RoleManage, Ext. util. Observable ,{Init:

This is a special property. Inheritance in Javascript generally depends on this property.In Javascript, everything is an object. strings are objects, arrays are objects, variables are objects, and functions are objects. Therefore, ['A', 'B ', 'C'].

Note: The implementation of jClass in this chapter refers to the practice of Simple JavaScript Inheritance. First, let's review the examples described in Chapter 1: function Person(name) {this.name = name;}Person.prototype = {getName: function()

1. document. formName. item ("itemName ") Note: in IE, you can use document. formName. item ("itemName") or document. formName. elements ["elementName"];In Firefox, only document. formName. elements ["elementName"] can be used.Solution: Use document.

1. Boolean (value): converts a value to the Boolean type;2. Nnumber (value): converts a value to a number (integer or floating point number );3. String (value): converts a value to a String.Let's first look at Boolean (): If the value to be

The reason is that, after adding the document type (DOCTYPE) to the html, the screen coordinate is judged to be incorrect. There is also a solution on the network, that is, removing the document type. I think this method is unreasonable, I spent

How to obtain the elements to be updated is the first problem to be solved. It is gratifying to note that there are many methods to obtain nodes using JavaScript. Here we will give a brief summary (the following methods have passed the test in IE7

1. jQuery GO JQuery provides a powerful way to read and process the document DOM, making it easy to operate the document DOM dynamically.Copy codeThe Code is as follows:$ (Document). ready (function (){$ ("A"). click (function (){Alert ("Hello world!

When the attribute of an HTML element changes, it can be captured through onpropertychange. For example, when the value Attribute of the object is modified by the script on the page, onchange cannot be captured, but onpropertychange can be captured.

Copy codeThe Code is as follows:Var getMonthWeek = function (a, B, c ){/*A = d = current dateB = 6-w = there are still several days to finish the current week (not today)Divide the sum of a + B by 7, which is the week of the current month.*/Var date

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The appendChild method is used to add columns and display the results in the same sequence as the program execution.For details, run the following code:Copy codeThe Code is as follows: name description address