What Does Javascript Mean

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: ...

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 ...)

Last week, industry giants such as Cisco, Google, Amazon and Microsoft issued major announcements about cloud services, detonating a new wave of unprecedented clouds. Cisco first announced that it would invest $1 billion in OpenStack-based "interconnected Cloud" (Intercloud) to boost its ability to deliver cloud services to large, business-to-business customers. A day later, Google announced the price of its cloud computing engine (Compute Engine) cut 32%, the application engine (app Engine) Price cut by 30%, the cloud to save ...

As far as I am concerned, the so-called client and server development, in most cases, do not need to solve their own problems from the very bottom, more of the use of "architectural power." The function of language is to invoke all the existing software, that is, to write "Glue code" (So, if you want to write the OS, you don't have to look down). In this context, the main concern for programming languages is whether the abstract granularity it provides is suitable for its application scenario (glue). JavaScript in the client, has played its role, this need not ...

In JavaScript, Void is an operator that specifies that an expression is evaluated but does 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 on the outer side of the expression are optional, but it is a good habit to write. (Implement version Navig ...

The intermediary transaction SEO diagnose Taobao guest cloud host technology Hall content again rich website, if slow to cannot visit also meaningless; SEO do a good site, if the search spider can not catch is also in vain; 　　UE design of the humanized site, if the user can not even see is empty talk. So the efficiency of Web pages is definitely the most noteworthy aspect. How can you improve the efficiency of a Web page? Steve Souders (Steve Souders's data suggests 14 guidelines for improving the efficiency of Web pages ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnosis Taobao Guest Cloud mainframe technology Hall today roughly browsed the high configured Web Sites." The Chinese version of this book is the "High performance Web site Building guide." This book has a further in-depth study of the individual issues of the advanced chapter "Evan Faster Web Sites", the translation of High-performance network ...

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 ...

I bet in China, more than half or even more, to the site for http://www.aliyun.com/zixun/aggregation/38794.html "> main business or the site is very valued by the company, There are two jobs without web front-end engineers and product engineers, and even some companies of some size may not have the job, which, of course, cannot include companies like alibaba,sina,163, just small and medium sized companies. If your company has, please leave ...

Before this article: The dilemma of Chinese web fonts when foreign designers happily discuss how to replace fonts without pictures, when Google proudly to provide more and more web fonts, web designers using Chinese can only give a sigh. The dilemma of web fonts in the Chinese world is not only due to the large number of Chinese symbols caused by excessive font files such technical barriers; the deeper reason is that there are few good fonts available. On the one hand, although some Chinese font providers are also working to provide solutions for different platforms, word ...