The difference between the = = and = = in JavaScript

Source: Internet
Author: User
Console.log (' [] = = [] is: ' + ([] = = [])); False
Console.log (' [] = = = [] is: ' + ([] = = =]); False
Console.log (' {} = = {} = = = {} '); False
Console.log (' {} = = = {} is: ' + ({} = = = {})]; False
True
Console.log (' [] = =!{} is: ' + ([] = =!{}); /*! {} is a Boolean value of false, so we are comparing [] = = 0*/
var n0 = 123;
var n1 = new number (123);
var N2 = new number (123);
var n3 = number (123);
var N4 = number (123);

Console.log (' N0 = = N1 is: ' + (n0 = = n1)); True
Console.log (' N0 = = N3 is: ' + (N0 = = n3)); True
Console.log (' N0 = = N1 is: ' + (n0 = = n1)); False
Console.log (' N0 = = N3 is: ' + (N0 = = n3)); True

Console.log (' N1 = = N2 is: ' + (n1 = = n2)); False
Console.log (' N1 = = N2 is: ' + (n1 = = n2)); False
Console.log (' N1 = = N3 is: ' + (n1 = = n3)); True
Console.log (' N1 = = N3 is: ' + (n1 = = n3)); False

Console.log (' N3 = = N4 is: ' + (n3 = = N4)); True
Console.log (' N3 = = N4 is: ' + (n3 = = N4)); True

Output screenshot:

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