JavaScript

W3C standards tell us that the document object can be returned through the contentDocument attribute of the Dom object.That isCopy codeThe Code is as follows:Doc = document. getElementById ('myframework'). contentDocument However, IE6 and IE7 are

// Obtain the Control id list containing a string in a container control.// Parameter: Container Control, id keyword of the control to be searched, and Tag Name of the control to be searched// Return value: string of the retrieved Control id list,

Check that jquery has no direct method,However, there is a map method. You can use it to define a method to implement this function.Copy codeThe Code is as follows:JQuery. fn. join = function (sep, mapvalue ){Return $. map (this, mapvalue). join

We use popular jquery design, at the same time we choose more effective boxy pop-up plug-in extension (about the relevant information about boxy, please refer to Zhang xinxu blog http://www.zhangxinxu.com/wordpress? P = 318 ). The following

Html ()Obtain the html content of the First Matching Element. This function cannot be used in XML documents. But it can be used in XHTML documents.Get the html contents of the first matched element. This property is not available on XML documents

AboutThis is a lot of the same as the previous image, which is displayed in an infinitely large image than a pre-loaded image or a limited container.Size Calculation: internal and external proportions.Copy codeThe Code is as follows:// Container

I. Method of type conversion and precautions:1.Convert to boolean:(1) Using two non-operations(!) :!! 5 ==> true(2) Use a Boolean constructor:New Boolean (5) ==> trueConvert value to boolean typeFalse:0,+ 0,-0,NaN,""(Null String), Undefined,

When onchange is used in the text box input box, there is an obvious deficiency. The event will not be triggered with the text input, but will be triggered when the text box loses the focus (onblur). That is, there is no instant! In IE,

Html codeCopy codeThe Code is as follows: background switching 1 2 3 4 --> Because the javascript logic sequence is strong, consider referencing the js location.Css codeCopy codeThe Code is as follows:Body {font-size: 12px ;}Div {width: 9

In the process of use, we found that easyui still lacks some small functions or is not open.Take the datagrid plug-in for example, data loading provides two methods for remote and local data loading. However, the data loading mask layer is displayed

The entire page is as follows:Copy codeThe Code is as follows: Note:Speed: Image carousel speedNum: number of imagesTimer: the time interval of automatic carousel and the timer;FlowSpeed: the speed at which the slider movesThe source code of

Problem 1: When a json string is obtained from a webserver or a general application processing program (. ashx), it cannot be automatically identified and is interpreted as a string type. In fact, it is not very difficult to solve this problem. You

So how is this kind of instanceof implemented? Now let's uncover the fog behind instanceof.Instanceof PrincipleBy convention, let's look at a piece of code:Copy codeThe Code is as follows:Function Cat (){}Cat. prototype = {}Function Dog (){}Dog.

Copy codeThe Code is as follows:/** Function name: DateUtil* OPERATOR: yithcn* Function Description: Date Functions* Instructions:* Creation date: 2010.10.14*/Var DateUtil = {};DateUtil. base = 60*60*24*1000;DateUtil. Add = function (num, sDate

Copy codeThe Code is as follows: Appendix: JavaScript key code value table

1. Create a script block 1: 2. Hide the script code 1: Related code will not be executed in browsers that do not support JavaScript.3 display when the browser does not support1: 2: Hello to the non-JavaScript browser.3: 4. Link an external script

I have been using js for a long time, but I have never gotten into the js array form. Occasionally, it is a simple string. split (char ). During this period of time, there were a lot of projects that used arrays. I thought I could not help myself as

// Check whether it is composed of digitsFunction isDigit (s){Var patrn =/^ [0-9] {1, 20} $ /;If (! Patrn.exe c (s) return falseReturn true}// Check Logon Name: You can enter only 5-20 strings starting with a letter, which can contain numbers, "_",

Copy codeThe Code is as follows: Baidu youah css rounded corner solution rounded corner 1 corner 2 rounded corner 3 for more code, visit script house css rounded corner 1 rounded corner 2 rounded corner 3 for

=== OPERATOR: If the two values have different types, false is returned.Returns true if both values are of the number type and the values are the same.Returns true if both values are stirng and the values have the same String content.Returns true if