javascript属性操作

Posted 2020-09-23 心碎whn

属性的读写

//属性添加
var obj = {x:1,y:2};

obj.z  = 3;

obj["m"] = 4;

 

//属性的读取
var obj =  {x: 1, y: 2, z: 3, m: 4};

for(p in obj){
 console.info(p);
}