What does ! mean? in JavaScript Posted August 20, 2015 What does !! in javascript mean? I cannot find it in http://www.w3schools.com/js/js_operators.asp And also, where can I look up these operators? You know, typing operators (like !!) in Google normally returns nothing.. Thanks!
What does ! mean?
in JavaScript
Posted
What does !! in javascript mean?
I cannot find it in http://www.w3schools.com/js/js_operators.asp
And also, where can I look up these operators? You know, typing operators (like !!) in Google normally returns nothing..
Thanks!