JavaScript

This article mainly introduces examples of jquery cross-origin requests (jquery sends ajax requests). For more information, seeIn jQuery, getJSON is often used to call and obtain a remote JSON string and convert it to a JSON object. If it is

Parsing XML data with JavaScript is a common programming task. JavaScript can do it, And JQuery can certainly do it. Below we will summarize several examples of parsing XML using JQuery.Solution 1: the code is as follows: solution 2: the code is

Javascript execution environment (Execution context)When the Javascript controller (control) enters the executable code, the Controller enters an execution environment. Multiple execution environments of the activity constitute the execution

$ (This) becomes invalid after jQuery uses ajax. The reason is simple. $ (this) points to the jquery object that recently called it, that is, $ (this) indicates the ajax object, the solution is also very simple, when using $. before ajax ({}) $

Beginners may be confused about innerHTML, outerHTML, innerText, and outerText. Here we will explain: innerHTML & amp; nbsp; Sets or obtains & amp; nbsp; located in the start and end tags of the object; HTML & amp; n Beginners may be confused about

PHP has in_array () to determine whether an element exists in an array, but javascript does not. However, jQuery encapsulates the inArray () function to determine whether the element exists in an array: & amp; lt; script & amp; gt; varar PHP has in_

The Ajax paging user experience is certainly better. jQueryPagination is easy to implement Ajax paging. I use jquery. pagination. jsv1.2. The parameters are described as follows: & amp; nbsp; jQueryPagi The Ajax paging user experience is certainly

1. json is a simple data description format. The symbols used contain a set of unordered key-value pairs of different types. braces {} & amp; nbsp; brackets [] & amp; nbsp; ing character Colon: & amp; nbsp; double quotation marks & quot; & amp; nb 1.

A previous blog detailed the jsonp protocol. jqueryajax encapsulates the jsonp Protocol to make cross-origin request implementation so simple: $. ajax ({type: & quot; post & quot ;, A previous blog detailed the jsonp protocol. jquery ajax

Normally, jquery's submit form submission will not be intercepted, but the asynchronous submission with jqueryajax will be rejected. Since it is a problem caused by asynchronous submission, it can be solved, because the jqueryajax method provides

In Javascript, void is an operator that specifies to calculate an expression but does not return a value. The syntax is as follows: javascript: void (expression) is generally used as follows: First: Return to # know the anchor In Javascript, void

The front-end is too bad. I have long discovered some bugs in IE6 and IE7. If I have time to solve them one by one, I must first solve the problem of div height increasing in IE6. See the figure below: the div on the top is much higher than other

Today, the jQuery code is loaded using the unified method js file. If it fails to be found, check it and find that the js file is loaded before the jquery library. The next order is replaced. Summary about the non-execution of externally introduced

The page pop-up layer (artDialog) is invalid in IE10. Considering that the IE rendering Web page engine may be random, you can add this sentence: & amp; lt; metahttp-equiv = & quot; x-UA-Compatible & quot; content = & quot; IE = The page pop-up

I will not talk about the principles of jsonp. Today, jQueryajaxjsonp is used for POST requests. It is OK without cross-domain requests, in cross-origin scenarios, parameters like $ _ POST ['name'] cannot be accepted, and $ _ GET ['Nam I will not

Click nesting may occur frequently in projects. If you do not pay attention to it, it is easy to execute repeatedly, as follows: & amp; lt; script & amp; gt ;$ (function () {var Click nesting may occur frequently in projects. If you do not pay

Javascript uses the array length attribute to clear and trunate arrays. It is very useful in development! 1. Use length to clear the array: & amp; lt; script & amp; gt; vararr1 = ['aaa', 'bb Javascript uses the array length attribute to clear and

Prototype is a reserved property of a function in javascript, and its value is an object, objects constructed by using this function as constructor automatically have the member attributes and PrototypeIs a reserved property of a function in

There are many solutions to implement transparency using CSS. Here we only introduce general methods:. transparent_class {filter: alpha (opacity = 50); // standard css transparency, in most There are many solutions to implement transparency using

The object itself is a set of objects without objects. Therefore, when you use the for-in statement to traverse the attributes of an object, the order of the retrieved attributes is different from that of the object definition. Understanding W3C