From: http://www.2ality.com/2011/12/strict-equality-exemptions.html     JavaScript has two operators for determining whether two values are equal:          The strict equality operator === only considers values equal that have the same type.    The �...

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I had been going through the ES6 assuming that it would be easy to switch to EcmaScript 2017.  While going through, I got confused about this code  function f (x, y = 7, z = 42) {     return x + y + z } f(1) === 50   Which has ES5 equivalent   functi...

When I type 2 == {} on Chrome developer tools, it will return false, but when I type {} == 2, I get a Error Uncaught SyntaxError: Unexpected token ==. What's hell == have done?...

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We all know JS has objects and a group of primitives.  Let's examine the following assignments.  a = 'foo'; b = a; c = 'foo' a === b; //true a = b = c = undefined;   The way I visualize the variable assignment process in JS for ye...

How can I match a string with a template, where the template uses asteriskses (*) to specify a wildcard?  The wildcard should match any amount of characters, but should also be escapable (\* should not be detected as a wildcard)  For example, I shoul...

I'm asking this question as I feel it's more appropriate to separate it from this discussion.  Thanks in advance!...

function a(){ return true; } var b = function(){ return true; }; window.c = function(){ return true; };   console.log(typeof a);//returns funtion console.log(typeof b);  //returns funtion console.log(typeof window.c);   //returns funtion  typeof a ==...