&& Operator Javascript

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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 character conversion numeric function

In the JS to convert the character to the number of parseint () parsefloat () () Three functions, let us explain their syntax and use methods. About the number function numbers object is the wrapper object for the original numeric value. Create syntax for number object: var mynum=new number (value); var mynum=number (value); parameter parameter value is the Numbe ...

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 ...

The magical uses of JavaScript void (0)

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 ...

Rjsmin 1.0.5 Publishing JavaScript compression tools

Rjsmin is a python-written JavaScript compression tool that provides JSMIN.C fast implementation by Douglas Crockford. Although it is written in Python, almost all logic takes place inside the regular expression engine, which is actually a single regular expression substitution call. Rjsmin 1.0.5 this version in "!" The operator has been improved by removing line breaks. Software Information: Http://opensource.perli ...

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 ...

The difference between a href= #与a href=javascript:void (0)

Before the project, use the hyperlink, in IE no problem, but to the IE6, actually found that the click event does not work, #FormatImgID_0 # really incredible, didn't notice before, then the Internet search, the problem on this void (0)! Now the information on the Internet has been sorted out. HTML code #FormatImgID_1 #<ahref= "javascript:void (0)" onclick= "dosomething ();" >dosomet ...

IE6 with HREF set to javascript:void (0) page cannot be submitted

<a class= "Bt_3" href= "javascript:void (0)" id= "BtnSubmit1" onclick= "Submitpage ()" > Submit </a> Submitpage () is a function I defined, the original intention is to click this ...

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 ...

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