在javascript中,对象本身就是一种Map结构。
var key1 = '动态key1';
var key2 = '动态key2';var map = {};map[key1] = 1;map[key2] = 2;
console.log(map[key1]);//结果是1.console.log(map[key2]);//结果是2.
//如果遍历mapfor(var prop in map){ if(map.hasOwnProperty(prop)){ console.log('key is ' + prop +' and value is' + map[prop]); }}