JavaScript

Copy codeThe Code is as follows:Grid. getStore (). getRange (0, store. getCount (); // obtain all rows of the grid. Copy codeThe Code is as follows:Grid. getSelectionModel (). getSelections (); // You can select all rows.// Note: If var sm = new Ext.

On the data sender side, use the javascript escape Function to convert all Chinese characters into English encoding and save them (you can also use functions in other languages such as ASP to convert the output in real time ).On the data recipient

Implementation 1Copy codeThe Code is as follows:String. prototype. trim = function (){Return this. replace (/^ \ s */, ''). replace (/\ s * $ /,'');} It looks pretty bad. I used two regular expressions to replace it. The actual speed is amazing,

If a level-1 score item contains a score item, a new window is displayed when you click this item. The new form lists all the score items of the current score item, for user operations. After the user completes the operation, click "OK" to return to

Let's take a look at an example:Copy codeThe Code is as follows:Var Class = {Create: function (){Return function (){This. initialize. apply (this, arguments );}}}Var A = Class. create ();A. prototype = {Initialize: function (){// Todo}Test:

First look at the effect:Copy codeThe Code is as follows: Easy to use;Create a Calendar Object firstCopy codeThe Code is as follows:Var calendar = new Calendar (); You only need to call the show () method to displayCopy codeThe Code is as

I. Preface In the past, JavaScript was only used for some simple web page effects, such as form verification and floating advertisements. At that time, JavaScript was not taken seriously. Since the beginning of AJAX popularity, people have found

The problem: scripts block downloads Let's first take a look at what the problem is with the script downloads. the thing is that before fully downloading and parsing a script, the browser can't tell what's in it. it may

Let's take a look at this example:Copy codeThe Code is as follows:Var a = 'global ';(Function (){Alert ();Var a = 'local ';})(); At first glance, what is the output result of this example? 'Global '? Or 'local '? In fact, none of them. The output is

Core code:Copy codeThe Code is as follows:/*** Jscript. string package* This package contains utility functions for working with strings.*/If (typeof jscript = 'undefined '){Jscript = function (){}}Jscript. string = function (){}/*** This function

It is hard to answer at a time, especially undefined, because it involves the implementation principle of undefined. So, after thinking about it, write down this article. Please take a look.Total offices: null = undefinedBut: null! = UndefinedSo

1. A brief introduction to JavaScriptMost of the JavaScript mentioned in the internet or books refer to the client JavaScript.JavaScript is a lightweight, interpreted, and object-oriented programming language.Ø JavaScript features1) control the

Introduction to MooTools 1.2 JavaScript LibraryMooTools 1.2 is a powerful lightweight JavaScript library designed to reduce interactive JavaScript development on the Web. To some extent, you can think that MooTools is an extension of CSS. For

Copy codeThe Code is as follows:

The other method is to use flash, which can avoid the security restrictions of the browser, but the system class only has the set method, and the clipboard class can access it, however, it seems that flash 10 is needed.I found a circle on the

You can use the try... catch... finally statement to handle exceptions in JavaScript, or manually throw exceptions.1. Use the try... catch... finally statement to handle exceptions. If an exception occurs during execution of js Code, an exception

I. Correct Use of spring1. configuration of dwr. xmlCopy codeThe Code is as follows:CustomerManager is the Id registered by spring.2. Page callCopy codeThe Code is as follows:Ii. DescriptionIf the regular method used in the business logic class

1. Chrome Style jQuery Image Gallery A jQuery plug-in for implementing beautiful Chrome image galleries for Online demonstration2. Awkward Showcase This plug-in can be used to display slides of various content, such as text, images, videos, and

1. Pikachoose-lightweight Jquery Image Gallery plugin View Demo The effect is not bad. Of course, there are still some gaps with the several gallery plug-ins recommended in the past. Recommendation index:★★★2. Sliding Boxes and Captions with jQuery

1. How to connect strings? First, let's review the two common methods of string connection:1.1 Use the String concatenation operatorCommon languages (such as Java, C #, and PHP) all have string Concatenation Operators, and Javascript is no exception.