jquery fn

jquery class. An instance of the jquery class can use this "member function".For example, we want to develop a plugin, make a special edit box, when it is clicked, then alert the contents of the current edit box. You can do this: $.fn.extend ({ Alertwhileclick:function () { $ (This). Click (function () { alert ($ (this). Val ()); }); } }); $ ("#input1"). Alertwhileclick (); //on the page: $ ("#input1")

jquery has two methods for developing plug-ins, namely:1. JQuery.fn.extend ();2. Jquery.extend ();Although JavaScript does not have a clear concept of classes, it is possible to construct definitions of similar classes.jquery is a well-encapsulated class, such as $ ("#btn1") that generates an instance of the jquery class, which is important to understand.(1). Jquery.extend (object);　It is to add a class met

jquery has two methods for developing plug-ins, namely:JQuery.fn.extend ();Jquery.extend ();Jquery.fnJquery.fn = Jquery.prototype = {Init:function (selector, context) {//....//...};The original Jquery.fn = Jquery.prototype. It's certainly not strange to prototype.Although JavaScript does not have a clear class concept, it is more convenient to use a class to understand it. jquery is a well-encapsulated clas

This article uses an example to describe how to use jqueryclick ([data], fn) to trigger a click event for each matching element, for more information, see click ([[data], fn]). Returned value: jQuery Overview Trigger the click event of each matching element. This function calls and executes all the functions bound to the click event. Parameters FnFunctionV1.0 T

This article uses an example to describe how to use jqueryclick ([data], fn) to trigger a click event for each matching element, for more information, see click ([[data], fn]). Returned value: jQuery Overview Trigger the click event of each matching element. This function calls and executes all the functions bound to the click event. Parameters FnFunctionV1.0 T

$.fn refers to the jquery namespace, plus the methods and properties on the FN, which are valid for each jquery instance.If the extension $.fn.abc (), or $.FN.ABC () is a method of extending an ABC to jquery, then each jquery inst

The following small series will introduce you to the each method $. each, this. each, and $. fn. each in jquery. I think this is quite good. Now I will share it with you and give you a reference. Let's take a look at the jquery. each method. Method 1 $ ("Img "). each (function (I, elem) {// I subscript starts from scratch, // elem = this // $ (elem ). toggleC

Understanding jquery's $.extend (), $.fn, and $.fn.extend ()jquery has two methods for developing plug-ins, namely:JQuery.fn.extend ();Jquery.extend ();Jquery.fnJquery.fn = Jquery.prototype = {Init:function (selector, context) {//....//...};The original Jquery.fn = Jquery.prototype. It's certainly not strange to prototype.Although JavaScript does not have a clear class concept, it is more convenient to use

Intro: Http://blog.csdn.net/javazw123/article/details/6218603$.fn refers to the jquery namespace, plus the methods and properties on the FN, which are valid for each jquery instance. such as extension $.fn.abc () then you can look like this: $ ("#div"). ABC (); Usually use the Extend method extension, see the API in de

Click ([[data], fn])Returned value: jQueryOverviewTrigger the click event of each matching element. This function calls and executes all the functions bound to the click event. ParametersFnFunctionV1.0The handler bound to each click event that matches the element. [Data], fnString, FunctionV1.4.3Data: click ([Data], fn) can pass in data for the function fn to pro

Research on the use of filter (fn) in jquery, jqueryfilter The official description of filter (fn) in jquery is as follows: Filter out the element set that matches the returned value of the specified function. This function calculates each object once (as '$. each '). if the called function returns false, the element i

$.extend (object)is extended on the class of jquery, such as $.ajax ();$.fn.extend (object)is to extend on instances of jQuery, that is, to add member functions on Jquery.prototype, such as:$.prototype.method = function () {};$.fn and $.fn.extend (object) are all add member functions, they are not the sameCode:(function($){ varFun =function(){ return{aa

Probably the meaning is to trigger each matching element Click event, this article through an example for everybody detailed introduction jquery click ([Data],fn) The use method, the interest friend may refer to Ha, hoped that has the help to everybody Click ([[DATA],FN])return value: JQueryOverviewTriggers the Click event for each matching element.This function

" }JQuery.fn.extend (object);The extension to Jquery.prototype is to add "member functions" to the jquery class. An instance of the jquery class can use this "member function".For example, we want to develop a plugin, make a special edit box, when it is clicked, then alert the contents of the current edit box. You can do this: $.fn.extend ({ Alertwhileclick:function () { $ (This). Click (function () { aler

The official note given by the filter (FN) in jquery is:Filters out the collection of elements that match the return value of the specified function the inside of the function computes each object once (as ' $.each ').If the called function returns false then this element is deleted, otherwise it will be preserved. There is no problem with this explanation, but the example given is problematic. Example isHT

Ready (FN) binds a function to be executed when the Dom is loaded and can be queried and manipulated. This is the most important function in the event module, because it can greatly improve web applications. Program . Simply put, this method is purely an alternative to registering an event with the window. Load event. By using this method, you can call the function you bind immediately when the Dom is ready to read and manipulate, and 99.99% of JavaS