js取json对象的键和值//构建一个json对象var jb{美的:49,三星:35,海信:25,格力:16,方太:14}fo
js取json对象的键和值
//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} js取json对象的键和值
//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}