Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall JavaScript in SEO is a very headache problem, On the one hand, we need to use JavaScript in Web page production to achieve brilliant effects, and on the one hand JavaScript will be the search engine crawl analysis caused a bad impact. Google's Official document clearly ...
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 ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall today, JavaScript is widely used in this client-based language, The interactivity of the site is greatly enhanced so that the page can contain more active elements and more exciting content. Unfortunately, however, search engines do not recognize their content. Google's "webmaster Guide" clearly stated "if ...
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 ...
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 ...
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: ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall with the development of Ajax technology, JavaScript, a client-based language, has a youthful glow, with many professional JavaScript gurus appearing. But in SEO, unfortunately, the search engine is not very good to crawl JavaScript code, accurately said it is not ...
The article uses a sample application to demonstrate DOM methods and properties and how to attach handlers to DOM events. The World Wide Web Consortium (WWW) has defined the Document Object Model (DOM) in different spec groups (DOM 1, Dom 2, and DOM level 3). The DOM represents HTML or XML as a tree that consists of nodes with different levels of properties and methods. Using the client language such as JavaScript, you can add, modify, and delete nodes in the tree ...
JavaScript gets the parameter value of the link address based on the parameter ID <! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> <html xmlns=" ...
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