批改状态:合格
老师批语:
let data ={age:18,set age(age){if(age>=18 && age<120){this.data.age = age;}}get age(){return this.data.age;}}console.log(data.age);data.age = 8888;cosole.log(data.age);
console.log(document.querySelectorAll.('.item'));
console.log(document.querySelector.('.item'));
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