var p1 = {
name:'小明',
age:'12',
action:function(where,doing){
console.log(this.age + '岁的'+this.name + '在' + where + doing);
}
}
var p2 = {
name:'小红',
age:'15'
}
console.log(p1.action.call(p2,'操场上','运动')) 12岁的小明在undefined undefined
12岁的小明在操场上运动
15岁的小红在undefined undefined
15岁的小红在操场上运动