Nov 5, 2008 · Javascript String to Boolean. 19. Javascript check if string if true or false and convert to Boolean. 1 ...

Mar 26, 2013 · If I declare a JavaScript boolean variable like this: var IsLoggedIn; And then initialize it with either true or 1, is that safe? Or will initializing it with 1 make the variable a …

Mar 3, 2015 · If you just want to check for a primitive value: typeof variable === 'boolean' If for some strange reason you have Booleans created with the constructor, those aren't really …

Convert values into Boolean form and then take bitwise XOR: Boolean(a) ^ Boolean(b) // === 0 | 1 Note that the result of this expression is a number and not a Boolean. Bitwise XOR also works …

Javascript boolean "toggle" 1. Toggle using boolean. 0. toggle a boolean variable on an onclick event ...

In JavaScript && returns its first argument if it is falsy or its second argument if the first argument is truthy; so normalized will be undefined if someString was undefined and so forth. That …

Sep 9, 2014 · Javascript comparing boolean value to True. 0. Javascript multiple comparison expressions syntax. 1 ...

@SalmanA to expand to your correct comment !!(new Boolean(false).valueOf()) // false (because new Boolean returns an instance of a Boolean object, which is truthy, while Boolean(false) or …

Nov 20, 2014 · I am learning javascript and I want to initialize a boolean array in javascript. I tried doing this: var anyBoxesChecked = []; var numeroPerguntas = 5; for(int …

It's newer than the boolean OR, so it doesn't work on older environments, that's true, however nowadays you should likely be transpiling your code for those. If you cannot or prefer not to, …