题解 | #this指向#

{"css":"","js":"var obj = {\n    a: 1,\n    b: 2,\n    fn: function(){\n        // 补全代码\n        return this.a + this.b;\n    }\n}","html":"","libs":[]}

因为题目对象里面的函数是function而不是箭头函数, 所以里面this的指向就是该对象