23,737 results found for !!
(so !!5 would be true). An easy way to describe it is: Boolean(5) === !!5; Same casting, fewer characters. Also, !! is not an operator. It's just the !
http://stackoverflow.com/question...what-is-the-operator-in-javascript
you need to get either 0/1. You may or may not consider (x) ? 1 : 0 clearer. not not. It's used to convert a value to a boolean !!nil #=> false !!"abc"
http://stackoverflow.com/questions/524658/what-does-mean-in-ruby
What does the !! operator (double exclamation point) mean in JavaScript? What does the !! operator (double exclamation point) mean in JavaScript?
http://stackoverflow.com/question...clamation-point-mean-in-javascript
!!extra; //3 or 4 (Whose style is a different discussion.) When all you need is a boolean expression, the !! is redundant. Writing bool b = !!extra; makes as
http://stackoverflow.com/question...a-safe-way-to-convert-to-bool-in-c
JavaScript !! operators JavaScript !! operators Possible Duplicate: What does “!!” operator mean in javascript? I've seen operator ! used like !! .
http://stackoverflow.com/questions/1900547/javascript-operators
is handy whenever you need a real boolean representation of some value. !! is just double ! !true // -> false !!true // -> true !! is a common way to
http://stackoverflow.com/questions/6177370/javascript-and-differences
$("#imjavascript").attr('checked', !!$('#mainCheck').attr('checked')); what do !! mean ? Tags: javascript jquery sorry, i dont know english word of !! => i cant google It's an
http://stackoverflow.com/questions/4010458/what-is-in-javascript
My frame is redirecting page !! How to stop it? My frame is redirecting page !! How to stop it? Possible Duplicate: How to prevent IFRAME from
http://stackoverflow.com/question...is-redirecting-page-how-to-stop-it
What does !! (double exclamation point) mean? What does !! (double exclamation point) mean? In the code below, from a blog post by Alias , I noticed
http://stackoverflow.com/question...does-double-exclamation-point-mean
Why use !! when converting int to bool? Why use !! when converting int to bool? What can be a reason for converting an integer to a boolean in this
http://stackoverflow.com/question...hy-use-when-converting-int-to-bool