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Aug 18, 2009 · 35. Usage of javascript:void(0) means that the author of the HTML is misusing the anchor element in place of the button element. Anchor tags are often abused with the onclick event to create pseudo-buttons by setting href to "#" or "javascript:void (0)" to prevent the page from refreshing.
Dec 5, 2012 · JavaScript void 0 vs undefined. 1. Typescript 1.1.0-1 and void 0. 309. Omitting the second expression when using the if-else shorthand . See more li ...
Mar 20, 2009 · void is a operator that returns nothing after evaluate a given expression, you dont need use " (" and ")" to make it work. sizeof is the same in C -- but that code is much clearer if parentheses are used. void is used infrequently. In ES5 it is considered obsolete. After evaluation of its operand it returns undefined.
Jul 29, 2016 · The void operator evaluates the given expression and then returns undefined. The void operator is often used merely to obtain the undefined primitive value, usually using “void (0)” (which is equivalent to “void 0”). In these cases, the global variable undefined can be used instead (assuming it has not been assigned to a non-default value).
Mar 22, 2014 · The void operator is often used merely to obtain the undefined primitive value, usually using “void (0)” (which is equivalent to “void 0”). In these cases, the global variable undefined can be used instead (assuming it has not been assigned to a non-default value). in this cases, the global variable undefined can be used instead: ie ...
Sep 26, 2008 · Using javascript:void(0) avoids all of the above headaches, and I haven't found any examples of a downside. So if you're a lone developer then you can clearly make your own choice, but if you work as a team you have to either state:
This makes the following more or less equivalent: javascript:undefined; javascript:void 0; javascript: With the exception that undefined can be overridden by declaring a variable with the same name. Use of void 0 is generally pointless, and it's basically been whittled down from void functionThatReturnsSomething ().
Dec 19, 2013 · href="javascript:void(0); is for the case that you want it to do nothing , but still look as a link. ( blue and underline). ( blue and underline). it's just like : javascript:return undefined;
Aug 21, 2011 · I prefer javascript:void(0) over # because it does not alter the address bar by putting a # there (which may affect any future scripts that use/alter the URL). But better than both of them, I prefer to have the onclick function return false (so it doesn't navigate at all) and then put an URL that would result in the same action as clicking. For ...
@RubyFanatic - to be pedantic about it, the hash symbol is a link to an anchor, but I accept your point.I don't agree though; as long as Javacript is enabled, you won't get undesirable effects, and even if you do, jumping to the top of the current page is rarely a disaster.
