How To Use Operator In 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 ...)

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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 ...

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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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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 (...)