JavaScript

Js has some restrictions on modifying the type attribute of input. You can modify the value of the input element before inserting the document stream. It is normal in ie and ff. However, if the input already exists on the page, its type attribute

1. Object Creation Method:(1) It is created through the new operator, followed by a constructor name.Var object = new Object ();When a constructor calls a function directly, it usually does not return a value. It only initializes the object passed

Copy codeThe Code is as follows:// Obtain the param parameter value in the current window urlFunction get_param (param ){Var query = location. search. substring (1). split ('&');For (var I = 0; I Var kv = query [I]. split ('= ');If (kv [0] = param ){

First: Compared with the traditional sorting, this is a good attempt and I hope to inspire everyone.You can refer to my previous blog: http://www.jb51.net/article/42087.htmHtml section:Copy codeThe Code is as follows: metrics: Note: you can drag

I have never paid attention to the property of div's background-image before, but set its url. Today I have encountered a problem and I would like to record it.Copy codeThe Code is as follows: Get image attributes in jsCopy codeThe Code is as

Copy codeThe Code is as follows:Cookie = {SetCookie: function (name, val ){Var exp = new Date ();Exp. setDate (exp. getDate () + 600*1000 );Document. cookie = name + "=" + escape (val) + "; expires =" + exp. toGMTString ();}, DelCookie: function

Jquery in jquery. offset (). top/left is used to obtain the distance between the div and the window. jquery. position (). top/left is used to obtain the distance from the parent div (it must be an absolutely positioned div ).(1) first introduce

Suppose we need a scenario like this: there is a checkbox on the page, and we expect to use Jquery to determine whether it is selected, or use Jquery to make it selected.In versions earlier than JQ1.6, We will write our Code as follows:Copy codeThe

Queue ()/dequeue ()These two methods are just as concealed as the XMLHttpRequest object of Ajax and are not known to anyone. These two methods are very useful in animation processing. We often write such code. Copy codeThe Code is as follows:$ ('#

Copy codeThe Code is as follows:Content = "initial-scale = 1, maximum-scale = 1, user-scalable = no"> natural classification algorithm natural classification

Jquery left and right scroll focus graph banner image, move the cursor over the display top and bottom pagesSuitable for pages with relatively large width and height DemoCopy codeThe Code is as follows: Copy codeThe Code is as follows:@

Jquery navigation is an essential module for a website. When a user browses the navigation bar of a website for a specific purpose, highlighting the navigation bar is a top priority. Therefore, you must use the jquery mask layer. Highlight the

One of the biggest differences between JavaScript and java is that functions are considered as data and can be operated like an object in java. In addition, because js does not perform type check, Arrays can store anything. So I thought about

For (var I = 0; I For example:Copy codeThe Code is as follows:Var a = ["a", "B", "c"];For (var el in ){Alert (a [el]);} This is to cite all the elements in a. Of course, the above example can be used.Copy codeThe Code is as follows:For (var I = 0,

Copy codeThe Code is as follows: This Is My prompt

There are three methods for converting JavaScript data to numbers:• Forced conversion: all basic JS data types are converted to the corresponding type (Number (v ))• Native functions, which have different results (parseInt (v, radix), parseFloat (v )

Control by number of characters:Copy codeThe Code is as follows:Onkeyup = "if (this. value. length> 2000) this. value = this. value. substr )"Onkeydown = "if (this. value. length> 2000) this. value = this. value. substr )"Onblur = "if (this. value.

Use substring () or slice () Function: split ()Function: uses a specified separator to split a string and store it in an array.Example:Copy codeThe Code is as follows:Str = "jpg | bmp | gif | ico | png ";Arr = theString. split ("| ");// Arr is an

First: Adaptive width of jqGrid varies with window sizeCopy codeThe Code is as follows:$ (Function (){$ (Window). resize (function (){$ ("# ListId"). setGridWidth ($ (window). width ());});});Second:Copy codeThe Code is as follows:Window. onresize =

Copy codeThe Code is as follows:Var t9 = new PopupLayer ({trigger: "# ele9", popupBlk: "# blk9", closeBtn: "# close9 ",UseOverlay: true, useFx: true, offsets: {x: 0, y:-41 }});T9.doEffects = function (way ){If (way = "open "){This.popupLayer.css