Table of Contents
JQuery Document Ready Example
Multiple Document Ready Listeners
Whenever you use a jQuery to manipulate your Web page, you wait for until the document ready event has fired. The document ready e
There are many ways to learn jquery, and today we start with the ready function of jquery. The code in this example comes from the JQuery script library.If you have used jQuery, you must have used the ready function, which is used
The Browser executes window. the onload function is not only after the DOM tree is built, but also after all the images and other external resources are fully loaded and displayed in the browser window. therefore, if an image or other resources is loaded for a long time, visitors will see an incomplete page, even a script that depends on the dynamically added element is executed before the image is loaded, resulting in a script error.
Window. onload
jquery $ (document). Ready () is similar to the Window.onload method in traditional JavaScript, but differs from the window.onload approach.
1. Execution Timewindow.onload must wait until all the elements of the page that include the picture have been loaded before they can be executed. $ (document). Ready () is executed when the
Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.jquery $ (document). Ready () is similar to the Window.onload method in traditional JavaScript, but differs from the window.onload approach.1. Execution TimeWindow.onload must wait until all the elements of the page that include the picture have been loaded before they can be executed.$ (document). Ready
You need to wait for the right time to bind the actions and events of an element, and look at the following example:
If this is not waiting for the element to be loaded, an event is bound to Div#panel, and the browser console will complain: TypeError:
document.getElementById (...) is null
Change the time, the following three programs are able to successfully bind the event, click on the element will pop up the corresponding alert ().
Put the event binding in the body, after the
$ (function () {Do someting});$ (document). Ready (function () {Do someting});$ (). Ready (function () {Do someting})These three methods are all jquery methods, different in the same way, but the effect is the same.2. The differences between the three notation and the $ (window). Load (function () {...}), OnLoad ()2.1. Problems with loading multiple functionsThis
jquery is a good JAVASCRĪPT framework, $ is the declaration of the jquery library, it is very unstable (I often met), in exchange for a stable way of writing jquery.noconflict (); JQuery (document). Ready (function () {});The advantage of using jquery is that it wraps the op
Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.jquery $ (document). Ready () is similar to the Window.onload method in traditional JavaScript, but differs from the window.onload approach.1. Execution TimeWindow.onload must wait until all the elements of the page that include the picture have been loaded before they can be executed.$ (document). Ready
If you have used jQuery, you must have used the ready function, which is used to register functions that can be executed when the page has been prepared.The question is, when is our page ready?1. OnLoad EventThe most basic processing is the page onload event, we can handle this event, there are many ways, that can be written in HTML, directly in the BODY element
!"); } /*Execute correctly*/Script>Body>HTML>The second is to put the event bindings in the Window.onload:DOCTYPE HTML>MetaCharSet= "Utf-8">HTML>Head> title>1-3title> Scripttype= "Text/javascript">window.onload= function() {document.getElementById ("Panel"). onclick= function() {alert ("The element has been loaded!"); } } Script>Head>Body>DivID= "Panel">Click Me.Div>Body>HTML>The third is the way that the Ready () method of
Window.onload method is typically used, whereas in jquery, the $ (document) method is used.$ (document). The Ready () method has similar functionality to the Window.onload method, But there is a difference in the timing of the execution. The Window.onload method is not executed until all elements in the Web page (including the associated file of the element) are fully loaded into the browser, that is, Java
Advanced jQuery skills-DOM operations and jquery skills domDOMReady event for page loading
The so-called domReady, that is, the document is ready. We all know that operations on dom must be performed only after the dom tree is loa
jquery $ (document). Ready () is similar to the Window.onload method in traditional JavaScript, but it differs from the Window.onload method.
in general, the Window.onload () method must wait until all elements of the page, including pictures, have been loaded before they can be executed. $ (document). Ready () is executed after the
JQuery $ (document). Ready () and Window.onloadFollow the API description for the Ready () method http://api.jquery.com/ready/.This method takes the parameter of a function type ready (handler), which is used by the method: Specify a function to execute when the
jquery $ (document). Ready () is similar to the Window.onload method in traditional JavaScript, but differs from the window.onload approach. Overall, window.onload () the way to do this is to wait until all the elements of the page that contain the picture are loaded and run. $ (document). Ready () is a DOM once the s
[JS] How to use native JS to implement jQuery's ready method, jsjqueryready
$ (Document). ready () in Jquery is similar to the window. onload method in traditional JavaScript, but it is different from the window. onload method.
In general, the window. onload () method is executed only after all the elements including images in the page are loaded. $ (Document).
In general, the OnLoad Monitor window's Load event is set for the body tag. However, the load event is triggered when all the elements of the page are loaded, and if there are more pictures on the page or the picture is too large, the user does something else when the initialization code is not executed. The jquery library provides a very handy and useful function ($ (selector). Ready ()), so that we can do
The time when the ready () function is executed in jquery is compared with the load event in window.
This article mainly introduces information about the timing of ready () function execution in jquery and the window load event comparison. For more information, see
Jquery
Web development is often done in jquery with $ (document). The Window.onload method in ready () and JavaScript, both of which are loaded after the page is loaded, but there is a big difference. Recently encountered such a problem, query a number of articles, do a summary.To put it simply, use the following table to indicate:
jquery's Ready () and Javascrp
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