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selector. Back to the top of the page Using Plug-ins to extend JQuery Unlike most software, using a complex API to write Plug-ins for jQuery is not very difficult. In fact, the JQuery plug-in is very easy to write, and you

("300"); // set the height of the element whose id is msg to 300$ ("# Msg"). width (); // return the width of the element whose id is msg$ ("# Msg"). width ("300"); // set the width of the element whose id is msg to 300 $ ("Input"). val ("); // return the value of the input box of the form.$ ("Input"). val ("test"); // set the value of the form input box to test $ ("# Msg"). click (); // trigger the click event of an element whose id is msg$ ("# Msg"). click (

jquery's Tool method, in fact, is static method, the source code is through the Extend method, these tools are added to the jquery constructor.Jquery.extend ({......Guid:1,　　Unique identifier, which is related to the event. For example: function Show () {alert (this);}, $ ("#input1"). Click (Show), $ ("#input2"). Click (function () {$ ("#input1"). Off ()}), The Show method here is the event method, so it is easy to find the event method show by cancel

(expression, [context])-$ (expression, [context]); by default, $ () queries the DOM elements in the current HTML document. Each (callback) executes a function using each matching element as the context. Example: 1 $ ("Span"). click (function ){ $ ("Li"). each (function (){ $ (This). toggleClass ("example "); }); }); Example: 2 $ ("Button"). click (function (){ $ ("P"). each (function (index, domEle ){ // DomEle = this ((Domele).css ("backgroundColor", "yellow "); If ($ (this). is ("# stop ")){

through $.fn Created using the part factory method of the jquery UI by $.widget () Usually we use the second method for simple plug-in development, saying that simplicity is relative to the third way. The third way is to develop more advanced jquery parts, the model developed by the parts with a lot of jquery

Jquery plug-in development method. For more information, see. JQuery provides two methods for development plug-ins: JQuery. fn. extend (object ); JQuery. extend (object ); JQuery. extend (object); adds a new method to the class to

Document directory 1. simple use of jquery to Add Tag keyword prompts for the search bar 2. Use jquery In Wordpress to process sofa portraits 3. DIY WordPress contact form with jquery 4. jquery gradient drop-down menu 5. Use jquery to automatically add background Effe

Examples of on () method usage in jQuery, and jquery instances This document analyzes the usage of the jQuery on () method. Share it with you for your reference. The specific analysis is as follows: I. Use of the jQuery on () method:On (events, [selector], [data], fn)Events:

source code.First look at jQuery. data (element, [key], [value]) source code.Js Code:Copy codeThe Code is as follows:JQuery. extend ({Cache :{},// Please use with cautionUuid: 0,// Unique for each copy of jQuery on the page// Non-digits removed to match rinlinejQueryExpando: "jQuery" + (jQuery.

source code.First look at jQuery. data (element, [key], [value]) source code. Js Code: Copy codeThe Code is as follows:JQuery. extend ({Cache :{},// Please use with cautionUuid: 0,// Unique for each copy of jQuery on the page// Non-digits removed to match rinlinejQueryExpando: "jQuery" + (jQuery.

jquery plugins: Extend jquery with $.extend () Add a new method to jquery through $.fn Created using the part factory method of the jquery UI by $.widget () Usually we use the second method for simple plug-in development, saying that simplicity is rela

each () function, which is "jQuery. fn. each (callback, args) ", this function finally calls jQuery. each function: Each:function(callback,args){ ReturnjQuery.each(this,callback,args);} Let's take a look at the returned results of the jQuery. each function: Each.function(object,callback,args){ Retumobject;} An O

: (function (ARG) {...}) (param) This is equivalent to defining an anonymous function with a parameter of ARG, and calling this anonymous function as a parameter (function ($) {...}) param (jquery) is the same, the reason why only use $ in formal parameters is to not conflict with other libraries, so the argument is using jQuery var fn = function ($) {...};

Basic Jquery tutorial Author: Rebecca Murphey Original link address http://jqfundamentals.com/ With contributions by James Padolsey, Paul Irish, and others. See the GitHub repository for a complete history of contributions. Copyright 2011 Jquery Core $ VS $ () After the above preparations, we can carefully analyze the methods called by jquery objects. For exampl

"); // set the height of the element whose id is msg to 300$ ("# Msg"). width (); // return the width of the element whose id is msg$ ("# Msg"). width ("300"); // set the width of the element whose id is msg to 300$ ("Input"). val ("); // return the value of the input box of the form.$ ("Input"). val ("test"); // set the value of the form input box to test$ ("# Msg"). click (); // trigger the click event of an element whose id is msg$ ("# Msg"). click (fn