JavaScript

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During development, we often need to compare one String and multiple String values. The intuition is to use | symbol to connect multiple = complete, for example:Copy codeThe Code is as follows:If (string = 'banana '| string = 'pineapple

Sample Code:Copy codeThe Code is as follows:Var xxxVar1 = 1;Var outer = function (){Var xxxVar2 = 2;Var results = [];For (var I = 0; I {Var inner = function (){Var xxxVar3 = 3;Return xxxVar3 + xxxVar2 + xxxVar1 + I;}Results. push (inner );}Return

Functions can be expanded as follows:Copy codeThe Code is as follows:Function. prototype. bind = function (obj ){Var _ this = this;Return function (){_ This. apply (obj, arguments );}} Usage:Copy codeThe Code is as follows:Var a = function (){Alert (

In the online example, $ (". B"). live ("click", function (event) {}is used. jquery automatically processes live and prevents event bubbles. Change to bind to pass the experiment.Copy codeThe Code is as follows: untitled document

JQuery sliding method:You can create a slide effect on the element.SlideDown () slide down the element.SlideUp () slides up the element.SlideToggle () switches between the slideDown () and slideUp () methods. $ (Selector). slide (speed, callback

The marqueen in html can also implement content scrolling, but the scrolling is intermittent. In a rolling cycle, there will be a blank section. If the scrolling area is large and the space appears, the page will look very bad. Using JavaScript can

First, let's look at a very common event binding code below:Copy codeThe Code is as follows:// Example$ ('# Dom'). click (function (e ){// Do something});$ ('# Dom2'). click (function (e ){// Do something}); This code has some defects in event

Copy codeThe Code is as follows: drag a table with column width NO. Company Name Order customer Department Salesman Payment Method 1 China Telecom order customer name advertising department Wang Tianyi cash 2 China Mobile order customer

Basic Introduction: The window. showModalDialog () method is used to create a modal dialog box that displays HTML content. (The parent window cannot be operated after the window is opened. The operation can only be performed when the mode window is

[Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]The current time.Copy codeThe Code is as follows:// 1.2013-4-9 11:21:32// 2.2013-, January 1, April 9// April 9 11:21:32 A.M.// April 9 13:21:32 P.M./*

To understand the scope of a variable, you must first understand the scope chain.When a variable is declared with the var keyword, an attribute is added to the object where the variable is located.Scope chain: Because js variables are all attributes

Copy codeThe Code is as follows: jquery simulates the select list menu effect using ul Select... Option 1 Option 2 Option 3 Option 4 Option 5 Implementation result Close the work!

How does jquery get the coordinate value of the page element yulutxt is the input box of the input classic quotes, feedBackMessage function see http://www.wesoho.com/article/asp/2765.htmCopy codeThe Code is as follows:Var p = $ ("# yulutxt ");Var

We must have noticed that does not scroll cyclically, so there are many alternative scripts, or iframe or JS output . No matter how it is done, it is a little troublesome. The following is a simple implementation concept: A container demo that sets

Original article: Model-View-Controller (MVC) with JavaScriptAuthor: Alex @ NetTranslation: JavaScript MVC patternTranslator: justjavac This article introduces the implementation of Model-View-controller mode in JavaScript. I like JavaScript because

Copy codeThe Code is as follows:Window. onload = function (){Var gaga = document. getElementById ("gaga ");AddClass (gaga, "gaga1 ")AddClass (gaga, "gaxx ");RemoveClass (gaga, "gaga1 ")RemoveClass (gaga, "gaga ")Function hasClass (elements, cName

1. null and undefined * Get an attribute from an object. If the object and its prototype chain do not have this attribute, the attribute value is undefined.* If a function does not explicitly return a value to its caller through return, the return

During web application development, data interaction between the front and back ends is required in many cases. Sometimes we may need to transmit the Chinese data from the front end to the back end through URL, but at this time there is a headache,

I have been trying to implement a modal box for a long time. I have found a lot of jquery plug-ins, but I am not satisfied with this one. But it is still in the development stage, I didn't even have a document API, so I had to figure it out for a