Javascript Like Operator

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What does JavaScript void 0 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: ...

javascript: With Javascript:void (0) Introduction

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 ...)

Talk about how to develop JavaScript efficiently

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall One, simplifies the code to use the shorter writing, not only may reduce the input character number, but also may reduce the file big Small。   Most of the code that uses simple coding, the efficiency of implementation is slightly improved. 1.1 Simplifying common object definitions: using var obj = {}; Instead of Var ...

Spark: The Lightning flint of the big Data age

Spark is a cluster computing platform that originated at the University of California, Berkeley Amplab. It is based on memory calculation, from many iterations of batch processing, eclectic data warehouse, flow processing and graph calculation and other computational paradigm, is a rare all-round player. Spark has formally applied to join the Apache incubator, from the "Spark" of the laboratory "" EDM into a large data technology platform for the emergence of the new sharp. This article mainly narrates the design thought of Spark. Spark, as its name shows, is an uncommon "flash" of large data. The specific characteristics are summarized as "light, fast ...

Ctrip practice case sharing: using HTML5 to monitor site performance

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall text/Shingdong, Liu, Xie School HTML5 Technology brings many new elements to the web, not only makes the website become more and more beautiful, the interactive experience is getting closer to perfect, even more makes many once impossible function can realize.   This article aims at the new characteristic which the HTML5 brings in the website performance monitoring, shares with everybody Ctrip traveling network in this direction the practical experience. Site performance monitoring of the status of the Web site performance is increasingly popular concern, because it directly ...

An example analysis of the real meaning of javascript:void (0)

void operator interpretation You can often see this code in JavaScript scripts: 〈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 (...)

JS javascript:void (0) True meaning

JS javascript:void (0) The real meaning I want to use Ajax is common such code: <a href= "javascript:dotest2 (); void (0);" >here</a> but what does void (0) here mean? 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. J..

Learning and methods of programming

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall to talk about programming, many people first think of C, C++,java,delphi. Yes, these are the most popular computer programming languages today, and they all have their own characteristics. In fact, however, there are many languages that are not known and better than they are. There are many reasons for their popularity, the most important of which is that they have important epoch-making significance in the history of computer language development. In particular, the advent of C, software programming into the real visual programming. Many new languages ...

Beyond Tradition: NoSQL database competition to help you choose a database easily

It was easy to choose a database two or three years ago. Well-funded companies will choose Oracle databases, and companies that use Microsoft products are usually SQL Server, while budget-less companies will choose MySQL. Now, however, the situation is much different. In the last two or three years, many companies have launched their own Open-source projects to store information. In many cases, these projects discard traditional relational database guidelines. Many people refer to these items as NoSQL, the abbreviation for "not only SQL." Although some NoSQL number ...

"Pioneer" Association letter. Network data CTO Roven: How to choose DMP Platform for Enterprises

Association letter. Network data CTO Roven in an interview with CSDN said that enterprises in the choice of DMP platform, need to consider four factors. He thinks, the first is DMP data platform's data richness, whether can produce the value to oneself, second is whether the DMP platform provides the matching application, may use own data conveniently, third is DMP platform's technical ability, whether has the strong system structure to support the DMP system The third is the service of DMP platform operators, the operator of the DMP platform can give more help to the enterprise in the application of data. As a third ...

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