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第 76 题:输出以下代码运行结果 #125

@hengliyin

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@hengliyin

// example 1
var a={}, b='123', c=123;
a[b]='b';
a[c]='c';
console.log(a[b]);


// example 2
var a={}, b=Symbol('123'), c=Symbol('123');
a[b]='b';
a[c]='c';
console.log(a[b]);


// example 3
var a={}, b={key:'123'}, c={key:'456'};
a[b]='b';
a[c]='c';
console.log(a[b]);

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