document ready without jquery

() { alert ("Outer init:" +i);} (function ($) {var i=2;function init () { alert ("Inner init:" +i);} Init ();}) (jQuery); init ();Execution Result:Inner Layer Init:2Outer Init:32, $ (function () {...}); JQuery (function ($) {...}); $ (document). Ready (function () {...})The effect of these three is the same, I n

This article focuses on $ (document) in jquery ). the ready () method is described in detail. If you need it, you can refer to it and hope to help you with window. onload = function () {alert ("welcome ");} This method is used to automatically execute the js Code (function) after loading the page ). $ (Document).

1. (function ($) {...}) (JQuery); 1), principle: This is actually an anonymous function, as follows: Function (ARG) {...}This defines an anonymous function with the argument arg When calling a function, the parentheses and arguments are written behind the function, and because of the precedence of the operator, the function itself needs parentheses, namely:(function (ARG) {...}) (param)This is equivalent to defining an anonymous function with arg para

OnLoad event vs $ (window). Load () methodThe first thing you learn about jquery is when you start an event. In the past a long time, the page loading after the events are loaded in the "body" of the onload incident.For the body of the OnLoad event and jquery ready method, there are many drawbacks. For example:Problems with loading multiple functionsIn the onloa

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 = function () {testDiv. innerHTML =" 动态创建的p"

Window. onload = function () {alert ("welcome ");}In this way, you want to automatically execute the defined JavaScript code after loading the page.Code(Function ). Most of these requirementsProgramMembers will do this. When learning jquery core functions, the $ (document). Ready (function () {...}) function is used to replace window. onload on the page; Howev

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).

1. Execution TimeWindow.onload must wait until all elements of the page including the picture have been loaded before they can be executed.$ (document). Ready () is executed after the DOM structure has been drawn and does not have to wait until the load has finished.2. Different number of writesWindow.onload cannot write multiple at the same time, if there are multiple window.onload methods, only one$ (

When reading a book, I noticed that the following two statements have the same efficacy. $ (function () {alert ("hello! ") ;}); $ (Document). ready (function () {alert (" hello! ") ;}); This special syntax is to replace $ () with $ (document ). ready (), similar to (different) window. onload pop-up window: view the sou

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).

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).

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).

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).