This is WHY the Output is Different | Double vs Triple Equal to In JavaScript | Interview #14
Channel: Thapa Technical
Date: 2021-10-13

Welcome, We will understand WHY the Output is Difference Between Double vs Triple Equal to In JavaScript | Interview #14

👉👉👉 Equality comparisons

1: Abstract Equality Comparison (==)
2: Strict Equality Comparison (===): used by Array.prototype.indexOf, Array.prototype.lastIndexOf, and case-matching

🅿 double equals (==) will perform a type conversion when comparing two things, and will handle NaN, -0, and +0 specially to conform to IEEE 754 (so NaN != NaN, and -0 == +0);

🅿 triple equals (===) will do the same comparison as double equals (including the special handling for NaN, -0, and +0) but without type conversion; if the types differ, false is returned.

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