let stu = {name:"张三",age:18} // 获取name值 let name = stu.name;
let stu = {name:"张三",age:18} // 获取name值 let name = stu["name"];
let stu = {name:"张三",age:18} for(let i in stu){ // 获取参数 let param = i; // 获取值 let paramValue = stu[i]; }
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