dojo js

that only the content that needs to be updated is returned. Instead of returning other content that already appears on the page, the amount of data returned from the server is less than it used to be. AJAX-enabled Web applications take a long time to load initially, but after loading, their performance is much better than the original Web application. This article describes some of the changes that XMLHttpRequest objects have brought to web development, which are important reasons for the popu

The Dojo widget is an extremely important part of dojo, so you should also strengthen your mastery of the Dojo widget after you have a thorough understanding of it. Two ways to create Dijit Dojo provides two ways for system developers to use the Dijit they provide (Dijit is the abbreviation for the

Document directory 1.3.1 Closure 1.3.2 this keyword 1.3.3 use of the apply Function 1.3.4 apply-based dojo. Hitch 1.3.5 frontend and backend interaction XMLHttpRequest 1 Preface 1.1 traditional JS foreground Programming The traditional foreground programming mode is as follows: It can be seen that the traditional foreground programming method is process-oriented and is not easy to expand or reuse.

Two kinds of drag-and-drop methods supported by Dojo Before you start trying to understand how to implement the Dojo drag-and-drop effect, you first have to be clear that dragging has two distinct performance effects. The first performance effect is the icon dragged to where, it will be placed directly where, the drag effect is the icon is exactly the same drag-and-drop action, and each drag-and-drop moti

Official address: Http://dojotoolkit.org/reference-guide/1.10/dojo/json.html#dojo-jsonRequire (["Dojo/json", "Dojo/dom", "dojo/on", "dojo/domready!"],function (JSON, Dom, on) {on (Dom.byid ("Convert"), "click", () {var origin = '

. select some of the 500 nodes to change their innerhtml; 4. Bind mouse events to each node; The dojo code corresponding to these four steps is as follows: function dojoStep1() { var html = ""; for (var i = 0; i The jquery code corresponding to the four steps is as follows: function jQueryStep1() { var html = ""; for (var i = 0; i The test results of Firefox/Chrome/IE8 are as follows: According to the comparison results o

Dojo BASICS (3) send data to the server and send data to the server using get and post. First, replace the html code in the body Hello World! Enter the name:If you do not enter data, how can you submit the data. GetWe only need:Function helloPressed (){Dojo. io. bind ({Url: 'response.txt ',Handler: helloCallback});}Replace: function helloPressed() { dojo.io.bind({ url: 'HelloWorld

Website address: http://dojotoolkit.org/reference-guide/1.10/dojo/aspect.htmlAfter ()Definition:after(target, methodName, advisingfunction, receivearguments); Meaning: Executes the Advisingfunction method after the target's MethodName method.function (aspect) { function(deferred) { // This was called after any dojo.xhr call }); // This would execute the original Dojo.xhr method and then our advising function DOJO.XHR ("GET", {...} );Dojo.req

Dijit Introduction Starting with Dojo 0.9, dojo separates widgets from Dojo's core packages to form Dijit. Dojo adds a number of members to the widget family in Dijit, enhancing the widget's strength while also speeding up its load on the page. To improve the Widget's appearance, Dijit offers several sets of style themes, such as the default-bound style theme T

Hitch ()Hitch () is a function that executes a given execution function at the given top and bottom. Hitch allows you to control how a function executes and often works in an asynchronous operation.We often write code like this: (blogger: This code intends to execute the "processevent" definition at this point when the "click" event is triggered.) ）1 function (ON) {2 var function (e) {3 this. Something = "Else"; 4 }; 5 On (Something, "click", processevent); 6 }); It is an err