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 trading http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnosis Taobao guest Cloud host technology Hall WordPress is a powerful blog program, but its theme and plug-ins usually need some CSS and JavaScript to implement its functions. Loading more complex themes or more plug-ins causes the site to slow down. Loading related CSS and JavaScript cost ...
JavaScript tutorials Chinese with authentication name legality Validator <!doctype HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/tr/ Xhtml1/dtd/xhtml1-transitional.dtd "> <html xmlns=" HT ...
DEDECMS Member Center vertical landing and lateral landing modification method, we can according to their own needs to modify! The following modified member login code, remove the Dedecms and comment on the function, so that the Member center more concise, but also more convenient for the user's use! Let's make some changes together. The first step: JS is the first call, whether horizontal or vertical, directly call the dream of the JS code can be, the code is as follows: <script language= "JavaScript" ...
1 noun explain Tong Hua Wanli Road, Feng-Tang Li Shangyin, "Han Dongrong" as a two-way poem, as a different traditional front-end programming method, the young wind name. Data-oriented programming methods, to avoid cumbersome UI code, directly to the front-end data model programming, your program can be more clear and simple. The name of the voiceless. 2 from the example start to avoid too boring statement, we start from the example, we take the Baidu Webim group management as an example. In this, we need to perform a list of user groups: Add, delete, modify 、...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall automatic steering, also called automatic redirect." Automatic jump refers to a technology that automatically shifts users to other web addresses when they log on to a website. The web address of the steering page can be other pages within the site, or it can be other sites. Usually, the browser will receive a page that contains automatic loading ...
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 ...
Web page anti-refresh repeat submission, anti-Rewind resolution after submission disable the Submit button (most people do) what if the customer submits and presses F5 refresh? Use session before submitting the page is the database processing: Data processing, modify session ("OK") =false. Data processing success immediately redirect to another page after the operation of the refresh is really a problem, you can use the Jump page, close this page, if there is ...
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