JavaScript

This paper is mainly about three questions Prototype and Proto Function and Object What the hell happened to new? Prototype andProto__proto__ 到底是干嘛的1. __proto__ 就是 Javascript中 所谓的原型 （这里，我们还是拿具体的例子来说明吧） function a (name)

1. Standard character sets and\d: Any number, one of 0-9;\w: Any alphanumeric underline, i.e. A-Z, a-Z, one of the 0-9,_;\s: One of the whitespace characters, such as spaces, line breaks, tabs, and so on;.: The decimal point can match any one

1. Element attribute operationA, ODiv.style.display = "block";B, odiv.style["display"] = "block";C, Dom modeDom Mode manipulation element properties1) Get: getattribute (name)2) Set: SetAttribute (name, value)3) Delete: RemoveAttribute (name)Code:　　1

?SceneRecently there is a scenario that infers that the current user has no edit permission on the project and that the JavaScript is complete. It took a long time to get it out. Share, have the need to expand it, in detail such as the

var arr = [3,1,4,6,5,7,2];functionBubblesort (ARR) {var len = arr.length;for (var i = len; I >=2; -I.) {for (var j =0; J 1; J + +) {if (Arr[j +1] var temp; temp = Arr[j]; ARR[J] = arr[j +1]; Arr[j +1] = temp; } } }return arr; }functionBubbleSort2

this+jsonThis article is from the "12897581" blog, please be sure to keep this source http://12907581.blog.51cto.com/12897581/1926407JavaScript------->this and JSON

DOCTYPE HTML>HTML> Head> MetaCharSet= "UTF-8"> title>Operations on attributestitle> Head> Body> setting of the property - imgsrc= "Img/lingzhiling.jpg"alt="" /> Scripttype= "Text/javascript">

Js Definition and use of arrays in JavaScript

The 6 types of data in JavaScript are as follows: Numbers (number) Strings (String) Boolean (Boolean) Null Undefined (Undefined) Objects (object) 1. Numbers:In JavaScript these are all valid numbers:151.50-1Oxd (is

The following are some of the common form events in JavaScript;One, OnSubmit: The event that occurs when the confirmation button in the form is clicked, as in the following case.Case resolution: Popup content submitted in the form formname=

Object serialization in short, the object is converted to a string. In the process of data transmission, object serialization is often used.Serialization of objects commonly used in javascript: Json.stringify ();Deserialization of objects commonly

Sample HTML code:id= "Test"> style= "color : Red ">test1span> test2 Div >Get the DOM object with ID test, which is not available below.var test = document.getElementById (' test ');Test.innerhtmlDescription: The entire contents of the object from

Closed PackagefunctionPerson (name) { This. Username =name; varUserage = 18; //This method allows you to impersonate a private member //similar to private members This. Setage =function(age) {Userage=Age ; }

1, the regular statement:var reg =/abc/;var reg = new RegExp (' abc ');2. Escape:\d: any number;\d: Non-digital;\w: Letters, numbers, underscores;\w: Non-alphanumeric, non-alphanumeric, non-underlined;\s: space;\s: Non-whitespace3. Quantifier:{M,n}:

1, SetAttribute (): Set the value of the property;GetAttribute (): Gets the value of the property;RemoveAttribute (): Remove attribute;2, offsetwidth:offsetwidth = Width+padding+border;Clientheight:clientheight = width+padding;3. Event object in

1. Window Object Properties Properties Description Closed Returns whether the window has been closed. Defaultstatus Sets or returns the default text in the window's status bar.

1. Creation of array objects1. Set an array of length 0 var myarr=new array (), 2. Set an array of length n var myarr=new arr (n); 3. Declares an array of the specified length of an assignment var myarr=new myarr (1,2,3,4,5,6 ); 4. Assigning a value

DivId= "Test">Div>Script>Document.oncontextmenu=function(){ReturnFalse; };VarOdiv=document.getelementbyid ( " Test "); Odiv.onmousedown=function (e) {e= e | | window.event; var mousenum = E.button; this.innerhtml = Mousenum; }script> Online

Tag: Use class to specify location console specify = = Loop object ContinueThe first time you see a label statement is such a scenario:function foo () {x:1}At that time very puzzled, why not error? Object can be written like this?Later know this is

Use a vector image instead of an image. Use a vector chart instead of an image.For most patterns and icons, vector images are smaller and can be scaled without generating multiple sets of images. Mainstream browsers now support SVG, so you can use