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...
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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...
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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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In Firefox 3.5, I type this in the Firebug console : false=={} // => evals to false {}==false // syntax error What is the explanation for this ?...©2020 All rights reserved.