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 ...
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 ...
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: ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall today, the topic of the teacher and you share is" code external optimization. " Mainly introduces the meaning of code external, JavaScript code external optimization How to do, CSS code merge how to do. First let's look at what is outside the code. We know what users see in the website and search engine spider ...
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 ...)
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology lobby site opening speed is a very important user experience assessment criteria, of course, Impact on the speed of the site has a lot of reasons, such as server problems, such as the problem of the program, and so on, this article I and you are not the main analysis of external factors, mainly in the website design process, the internal factors to achieve the ultimate, speed up the site ...
The message board program needs to be implemented by PHP + database This tutorial is mainly about the PHP MySQL message system implementation process, including the addition of modified deletion and editing work, is a beginner to learn from PHP good data. Message Board of the SQL file, you can directly import to the MySQL code below create database form; Use form; CREATE TABLE ' message ' (' ID ' tinyint (1) NO ...
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