You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
16 lines
372 B
16 lines
372 B
8 years ago
|
if (typeof Set !== 'undefined' && Set.toString().match(/native code/)) {
|
||
|
|
|
||
|
|
} else {
|
||
|
|
Set = function () {
|
||
|
|
this.set = {}
|
||
|
|
};
|
||
|
|
Set.prototype.has = function (key) {
|
||
|
|
return this.set[key] !== undefined;
|
||
|
|
};
|
||
|
|
Set.prototype.add = function (key) {
|
||
|
|
this.set[key] = 1
|
||
|
|
};
|
||
|
|
Set.prototype.clear = function () {
|
||
|
|
this.set = {}
|
||
|
|
};
|
||
|
|
}
|