Javascript Do Nothing

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 ...

Base64 is one of the most commonly used encodings, such as the development of passing parameters, the <img/> tags in modern browsers to render pictures directly through Base64 strings, and for messages and so on.　　The BASE64 encoding is defined in RFC2045, which is defined as: Base64 content transfer encoding is designed to describe the 8-bit byte of any sequence as a form that is not easily recognized directly by the person. We know that any data is stored in binary form on the computer. One byte is 8 bits, one character is stored in the computer ...

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 (expression) 2. Javascript:void expression expression is an expression of the JavaScript standard to compute. The parentheses outside the expression are optional, but writing is a good habit. We can use void ...

Original address: http://www.facebook.com/note.php?note_id=389414033919 translation Address: http://isd.tencent.com/?p=2419 Author: Changhao Facebook's website speed is one of the most critical corporate tasks. In 2009, we successfully achieved a twice-fold increase in the speed of our Facebook website. And it is the key innovations of our engineering team that make it possible. In this article, I will introduce to you ...

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Remember WAP, how many people still use WAP? In the post-mobile era, with the progress of browser technology, it is no longer necessary to set up special sites for mobile devices. As a web designer, if you follow some basic design and layout principles, your site will be more easily accessible to most mobile devices. This paper describes the principles of web design in the post-mobile era. Current status of mobile browsing technology the most popular mobile phone systems today include Android,blackberry and the iphone. Although the browsers in these mobile systems support html+c ...

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Intermediary transaction SEO diagnosis Taobao guest Cloud host technology lobby access slow Internet has become the past, but the page can be instantaneous present is only the future will happen.     Christian Heilmann tips can now make your site more fluent. The time delay when the page is first accessed is a very important problem in Web site and Web application design.    Users always feel that the page is not fast enough. ...