A few weeks ago, I have read this thread Is < faster than <=? about comparison operators in C. It was said that there is no difference in the performance between < and <= as they are interpreted as same/similar machine commands.  At the s...
I'm trying to use the new (ES6) Map objects in order to represent a map between properties and a value.  I have objects in a form similar to:   {key1:value1_1,key2:value2_1},..... {key1:value1_N,key2:value2_N}   I want to group them based on both...
[Edit]  The general question seems incredibly hard to solve. Here is a significantly restricted version of this question.    How do I determine equality of functions?  lets say we have  function f() {     // black box code. }  function g() {     // b...
Based on these rules:  Falsy:   false 0 (zero) '' or "" (empty string) null undefinded NaN (e.g. the result of 1/0)   Truthy: Everything else  I fail to find the correct explanation as to why in following tests, only number 1 evaluate...
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 ...
In Firefox 3.5, I type this in the Firebug console :  false=={} // => evals to false {}==false // syntax error   What is the explanation for this ?...

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