JavaScript

This article mainly introduces examples of js checkbox full selection and invert selection. For more information, see Example of Selecting All check boxes The Code is as follows: Function selectAll (form ){Var obj = document. getElementsByName

This article mainly introduces how to set the default value in the Combobox list for ExtJS4. If you need a friend, refer to this example as "model ". The Code is as follows: Ext. regModel ('commemmodel ',{Fields: ['name', 'id']}); The default

This article mainly introduces the js image pre-loading example. For more information, see the simple example of js image pre-loading. The Code is as follows: Function loadImage (url, callback ){If (url! = 'Null '){Var img = new Image ();Img. src =

Create a grid today. The data in the grid must contain details. If you want to create a table nesting, you can refer to the following figure to create a grid. The data in the grid must contain details, think about creating a nested table! View

This article mainly introduces a simple slider written using native js. For more information, see The Code is as follows: Document

This article mainly introduces how to use js to determine the horizontal and vertical screens and disable browser slide. For more information, see The Code is as follows: Var $ horizontal = $ ('. horizontal_screen'); // you can customize the

When the scroll event is used to load data in the project, IE is a tragedy. The following describes the basic optimization ideas for windowresize and scroll events. For more information about how to use scroll events to load data, see colleagues in

When the admininjection is completed, when main.html is closed, there is a good solution for closing all the new windows that are opened together. You can refer to the recent situation where you have encountered a permission management system.

This article mainly introduces the specific implementation of url encoding and decoding for Baidu mobile edition. For more information, see The Code is as follows: Var decode = function (m ){Try {M = decodeURIComponent (m );} Catch (e ){}Var s

A large number is a number that is beyond the maximum range of digits that can be expressed by a language. How can we multiply two large numbers? There is a good method below. You can refer to the big number below, that is, the number that exceeds

This article mainly introduces how php and js perform proportional scaling on database images. For more information, see JS proportional scaling of an image Code The Code is as follows: Code highlighting produced by Actipro CodeHighlighter

This article describes how to use jquery to implement a navigation example with a level-2 menu. For more information, see The Code is as follows: $ (Document). ready (function (){$ ('# Top. Toolbar1. CentreBox. Menu. List1 li'). mouseenter

This article mainly introduces how to expand member variables when extending jQuery objects. For more information, see the following code: The Code is as follows: JQuery. fn. extend ({MyOwnMember: 3,GetMyOwnMember: function () {return this.

This article mainly introduces the fixed navigation effect implemented by jquery. If you need it, you can refer to the fixed navigation effect implemented by jquery. The Code is as follows: 1. jquery code. nav is the class for navigation.$

It is easy to expand the principle of auto-highlight by clicking a button. When you click it, add a custom attr to the element. The actual implementation is as follows, when we click it, we add a custom attr to the element, and a matching style will

This article mainly introduces the event bubble usage of event object e in jQuery. If you need it, you can refer to the previous manual without seeing the concept of event object, what I want to achieve at that time is to click a text box to display

This article mainly introduces the use of javascript scopes and closures. If you need them, you can refer to the nesting of scopes to form a scope chain, and the nesting of functions will form a closure. Closure and scope chain are an important

The File field in IE cannot be cleared. You may see that there is no value, but it still exists. The following is a good example, you can refer to the following: Sometimes, when uploading files, you may encounter a situation where you need to reset

This article mainly introduces how to exclude a DOM element by using the jquery selector, that is, to filter unnecessary elements in the selected elements and implement them using the jquerynot selector, for more information about how to select a

This article mainly introduces how to use js to dynamically move the scroll bar to the bottom. For more information, see The Code is as follows: Var currentPosition, timer;Function GoBottom (){Timer = setInterval ("runToBottom ()", 50