let json={ name:"websong",skili:"web" }; //设置-增加 var msp=new Map(); msp.set(json,‘iam‘); console.info(msp) msp.set(‘niubi‘,‘111‘) console.info(msp)
//取值get console.log(msp.get(json)) console.log(msp.get(‘niubi‘))
//删除指定值delete,全部删除clert console.log(msp.delete(json)) console.log(msp); msp.clear() console.log(msp)
console.log(msp.size)//长度 console.log(msp.has(json))//查找返回结果为布尔值
原文：http://www.cnblogs.com/webSong/p/7384890.html