写出以下输出结果
var s = {
s: ‘student’,
getS: function(){
console.log(this.s);
}
};
var t = {
s: ‘teaher’
};
var getS = s.getS;
var getS1 = getS.bind(s);
// 写出以下输出结果
s.getS();
s.getS.apply(t);
getS();
getS1.call(t);
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