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console.log("[] == []是："+([] == [])); //false
console.log("[] === []是："+([] === [])); //false
console.log("{} == {}是："+({} == {})); //false
console.log("{} === {}是："+({} === {})); //false
//true
console.log( "[] == !{}是："+([] == !{} )); /*!{}是个布尔值，为false，因此我们比较的是 [] == 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是："+(n0 == n1)); //true
console.log("n0 == n3是："+(n0 == n3)); //true
console.log("n0 === n1是："+(n0 === n1)); //false
console.log("n0 === n3是："+(n0 === n3)); //true
console.log("n1 == n2是："+(n1 == n2)); //false
console.log("n1 === n2是："+(n1 === n2)); //false
console.log("n1 == n3是："+(n1 == n3)); //true
console.log("n1 === n3是："+(n1 === n3)); //false
console.log("n3 == n4是："+(n3 == n4)); //true
console.log("n3 === n4是："+(n3 === n4)); //true
输出截图：
