Operator Javascript

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: ...

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 ...

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 ...)

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 ...

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 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 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 ...

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 ...

<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 ...

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