| function test(bias) { | |
| let set = new Set; | |
| let counter = 0; | |
| for (let i = 0; i < 50000; i++) { | |
| ++counter; | |
| if (!set.size || Math.random() > bias) { | |
| let key = counter; | |
| set.add(key); | |
| } else { | |
| let keyToRemove = set[Symbol.iterator]().next().value; | |
| set.delete(keyToRemove); | |
| } | |
| } | |
| } | |
| let start = Date.now(); | |
| test(0.45); | |
| test(0.60); | |
| const verbose = false; | |
| if (verbose) | |
| print(Date.now() - start); |