11 lines
183 B
JavaScript
11 lines
183 B
JavaScript
|
Set.prototype.difference = function(set) {
|
||
|
|
var diff = new Set(this);
|
||
|
|
for (var v of set) {
|
||
|
|
diff.delete(v);
|
||
|
|
}
|
||
|
|
return diff;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Required by ES6 spec
|
||
|
|
export const _ = null;
|