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map
for
(
var
prop
in
map){
if
(map.hasOwnProperty(prop)){
console.log(
'key is '
+ prop +
' and value is'
+ map[prop]);
}
}