js JSON 取值 键

//构建一个json对象
var pinpai = {
    "0":{"美的":49,"三星":35,"海信":25,"格力":16,"方太":14},
    "1":{"美的":49,"三星":35,"海信":25,"格力":16,"方太":14}
}；
jiage = pinpai[0]['美的'];

源：

//构建一个json对象  

var jb={"美的":49,"三星":35,"海信":25,"格力":16,"方太":14};  

for(var key in jb){  

  alert(key); //json对象的key  

  alert(jb[key]); //json对象的值  

}  

转自：https://www.cnblogs.com/jpfss/p/9687128.html