The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall for a long time, stationmaster chooses to use JavaScript to realize the dynamic behavior of the webpage, the reason that do this is a variety of, such as speed up the response speed of the page, reduce the website traffic, hidden link or embed advertisement etc. Because the early search engine does not have the corresponding processing ability, causes in the index this kind of page often to have the problem, may not be able to collect the valuable resources, may also appear to cheat. The purpose of introducing JavaScript parsing is to solve both ...
JavaScript is a scripting language developed by Netscape's LiveScript, primarily to address server terminal languages, such as Perl, and the lingering speed problem. At that time, the server needs to verify the data, because the network speed is very slow, only 28.8kbps, the verification step waste too much time. So Netscape's browser navigator added JavaScript, providing the basic functionality of data validation. Http://www.aliyun ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall We all know that the search engine spiders have no way to handle the content of JavaScript scripts. , the reason is simple, even as a simpler weak-type scripting language, it is still a programming language, with a variety of techniques, only the script interpretation engine to correctly parse ...
This code can often be seen in Javascript scripts: 〈a href= "javascript:changenum (); void (0);" 〉here〈/a〉 but what does void (0) mean here? What's the effect? In JavaScript, Void is an operator that specifies that you want to evaluate an expression but not return a value. void operator usage format is as follows: ...
Research and Development Weekly: Magic! 1KB JavaScript code written by 3D Bee published in 2013-03-29 13:43| Times Read | SOURCE csdn| 0 Reviews | The author Zhang Hong Month Research and Development weekly Javascriptpatrick Wyatt Game development Third party application open platform Open source Polycode Summary: Busy week finally past, leisure time may wish to savor our carefully presented for you this technical feast. Current Issue: Magic! 1KB JavaScript code written by 3 ...
You see, JavaScript scripts can often see code like this: 〈a href= "javascript:dotest2 (); void (0);" 〉here〈/a〉 but what does void (0) mean here? In JavaScript, Void is an operator that specifies that you want to evaluate an expression but not return a value. void operator usage format is as follows: 1. Javascript:void (Expressio ...)
With the popularity of smartphones and tablet computers, more and more Internet IT companies are focusing on mobile platforms. The current mainstream mobile platform in the market is Apple IOS, Google's Android, Microsoft's Windows Phone, BlackBerry and Nokia's Symbian. These mobile platforms have different development environments and programming languages. At the same time, there are multiple versions of a platform, such as Android2.3 and Androi ...
Dojo is an open source DHTML Toolkit implemented in JavaScript language. It was established on the basis of several project contributions (Nwidgets,burstlib,f (m)), which is why it is called a "unified" toolkit. The goal of Dojo is to address the long-standing, historical issues that are encountered in developing DHTML applications. Historicalproblemswithdhtml Cross Browser issues. Dojo released today ...
Dojo is a powerful object-oriented http://www.aliyun.com/zixun/aggregation/33906.html ">javascript framework." Mainly consists of three major modules: Core, Dijit, DojoX. Core provides ajax,events,packaging,css-based Querying,animations,json and other related operational APIs. Dijit is a replaceable ...
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