Javascript Evaluate

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 ...)

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 ...

This article builds a simple demo application by using Watson Question and Answer (q&a) technology and the Q&a APIs exposed by Watson. Watson Films. Cognition exists in almost any activity that human beings do, such as language comprehension, sensation, judgment, athletic skills, learning, spatial processing and social behavior. We are increasingly expected to use machines that exhibit the same cognitive behavior. IBM Watson stands for the cognitive system (a new gauge ...).

HTML5 is growing in importance and will continue to be a dominant platform in many user cases for the foreseeable future. Enterprise architects need to consider incorporating HTML5 capabilities into their application development tool chains, especially for browser-based applications running within the enterprise and consumer-facing applications accessed via PC browsers. 　　Now HTML5 and CSS3 have taken over Flash and Silverlight, becoming the de facto standard for browser-based multimedia capabilities on the desktop. The use of HTML5 to develop mobile applications to the appropriate back ...

<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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