Javascript Void 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..

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 (...)

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 ...

This article is my second time reading Hadoop 0.20.2 notes, encountered many problems in the reading process, and ultimately through a variety of ways to solve most of the. 　　Hadoop the whole system is well designed, the source code is worth learning distributed students read, will be all notes one by one post, hope to facilitate reading Hadoop source code, less detours. 1 serialization core Technology The objectwritable in 0.20.2 version Hadoop supports the following types of data format serialization: Data type examples say ...

Server-push technology has been available for a long time, but until the birth of gtalk slowly guide the technology, but so far, very few people to apply this technology, Server-push is a what kind of things? Therefore, the name of Server-push, "server Push" means that Ajax have been used, it and Server-push is the opposite two things, Ajax is from the server side pull data, if you want to regularly update the data block displayed on the page, then the simplest way ...

Intermediary trading SEO diagnosis Taobao customer hosting technology hall has been looking for a period of time for their own pop-up code, the demand is this: 1. The relatively high pop-up rate. This is a must, but also for IE6, IE7, FireFox, surfing, surfing 2, Netscape, etc. have high pop-up rate. Otherwise the meaning of the pop-up window is greatly reduced; 2. Can only within a specified time (such as 24 hours), only pop-up; 3. In the normal pop-up failure, the user clicks to continue pop-up window. such...