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Mar 2, 2018 Replied to a topic by madNeal › 问与答 › 一人出一道前端面试题 |
Function.prototype.a = 'b';
Object.prototype.a = 'c';
function Person(){};
var p = new Person();
console.log('p.a: '+ p.a);
Object.prototype.a = 'c';
function Person(){};
var p = new Person();
console.log('p.a: '+ p.a);
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