JavaScript

To create a global function, you only need to add attributes to the jquery object. You can also create a jquery object by adding attributes to the jquery object. in fact, jquery. the fn object is jquery. the alias of the prototype object.Demo:Copy

Copy codeThe Code is as follows:; (Function ($ ){$. Extend ($. fn ,{Color: function (options ){Var options = $. extend ({}, $. fn. color. defaults, options );Return this. each (function (){((This).css ("color", options. bcolor );Certificate

Currently, only the effects of scroll and none are added. scroll is the sliding effect and supports moving in the x and y directions. none means no effect, but only display and hide, in the future, you need to add other effects for expansion. The

1. DataA total of 3049 universities in China are copied from the human network (for learning and communication only, but not for commercial projects). This is a script file containing JSON objects that store school information, format:Copy codeThe

Onunload and onbeforeunload are all called during refresh or shutdown. You can use window. onunload in the 2. onunload Event Usage:· Object. onbeforeunload = handler· Description:The onunload Event is triggered when the user closes a

This means that appropriate events will bubble up and the browser will execute the assigned event handler. This capability is very useful when testing web applications. It provides methods in the DOM Level 3 specification to simulate specific events,

Let's look at the example below,Copy codeThe Code is as follows:Var btn = document. getElementById ('mybtn ');Btn. onclick = function (){Var event = window. event;Alert (event. type); // "click"} In this case, the event object comes from the window.

Recently, I have made some small experiments on jQuery selector usage to demonstrate Which of the following is more efficient and worth using different jQuery selectors under different circumstances.First, introduce the jquery file provided by

1. Matching mode flag:G ------ indicates the global mode, instead of immediately ending when the first match is found to be successful.I ------- indicates the case-insensitive mode.M ----- indicates multi-row matching. The matching continues for the

1. Window positionThe following figure shows the position of the browser window from the left and top of the screen.Copy codeThe Code is as follows:Var leftPos = (typeof window. screenLeft = "number ")? Window. screenLeft: window. screenX; // left

1. Get the table objectVar objTable = document. getElementById ("tb_visitor ");2. Add a rowVar objTempRow = objTable. rows [0]; // obtain the template row.Var objNewRow = objTable. insertRow (objTable. rows. length );ObjNewRow. id = objTable. rows.

As follows:Copy codeThe Code is as follows:Var person = new Object ();Person. name = "Nicolas ";Person. age = "29"Person. job = "Software Engineer ";Person. sayName = function (){Alert (this. name );}; Person. sayName (); in the preceding example,

Previous approach-I guess most people use itFor example, the following code is taken from a piece of js Code on the Sina homepage. This method is also used by most people. What did you do after reading the above Code? You may change the form of + =

The Code is as follows:Copy codeThe Code is as follows:/*** Countdown** @ Author WadeYu* @ Date* @ Copyright boyaa.com*/Var TimeCountDown = function (initTime ){Var day = 0;Var hour = 0;Var minute = 0;Var second = 0;Var timerId = 0;Var self =

Copy codeThe Code is as follows:$ ("# Load img"). load (function (){// The image is hidden by default.$ (This). hide ();// Use the fadeIn special effect$ (This). fadeIn ("5000 ");}) When you open a page for the first time, hide the loaded image

There are multiple ,When submitting a form, you must determine that at least one input file has been selected.Copy codeThe Code is as follows: Use jQuery to judge:Copy codeThe Code is as follows:Var fileFlag = false;$ ("Input [name = 'uploadfile'

The JQury framework is definitely the first choice for page development. The code is short and powerful. The disadvantage is that the object-oriented feature is insufficient. Fortunately, there are many plug-ins! As for Ext, it is a huge object. It

Package. js Project address:Http://code.google.com/p/package-js/ Package. js is a convenient JavaScript Package dependency management and Make tool. It is designed to make JavaScript Component/App development on the browser more modular. If you are

Copy codeThe Code is as follows: project dashboard dddddddd total score Chinese Mathematics English politics Historical Geography physical chemistry creature ss launch time 1 29 1 25 2 146 28 79 73 47

OrangeTree: OrangeTreeFirst, let's take a look at the demo!First, I declare that my art skills are poor! Let's take a look at this style! I named this infinite tree plug-in as an orange tree. It is mainly divided into three levels of nodes:The first