Created
January 15, 2019 21:57
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JS Bin // source https://jsbin.com/nidijac
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| /** | |
| * Реализовать свой Map | |
| * @constructor | |
| */ | |
| function XMap() { | |
| return { | |
| set: (key, value) => this[key]=value, | |
| has: (key) => !!this[key], | |
| get: (key) => this[key], | |
| remove: (key) => delete this[key] | |
| } | |
| } | |
| // Проверка | |
| const map = new XMap(); | |
| const objKey = {foo: true}; | |
| map.set(123, 'ok'); | |
| map.set(objKey, 'fail'); | |
| map.has(objKey) && map.set(objKey, 'wow'); | |
| console.log(map.get(123)); // "ok" | |
| console.log(map.get(objKey)); // "wow" | |
| map.remove(123); | |
| console.log(map.has(123)); // false | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">/** | |
| * Реализовать свой Map | |
| * @constructor | |
| */ | |
| function XMap() { | |
| return { | |
| set: (key, value) => this[key]=value, | |
| has: (key) => !!this[key], | |
| get: (key) => this[key], | |
| remove: (key) => delete this[key] | |
| } | |
| } | |
| // Проверка | |
| const map = new XMap(); | |
| const objKey = {foo: true}; | |
| map.set(123, 'ok'); | |
| map.set(objKey, 'fail'); | |
| map.has(objKey) && map.set(objKey, 'wow'); | |
| console.log(map.get(123)); // "ok" | |
| console.log(map.get(objKey)); // "wow" | |
| map.remove(123); | |
| console.log(map.has(123)); // false</script></body> | |
| </html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /** | |
| * Реализовать свой Map | |
| * @constructor | |
| */ | |
| function XMap() { | |
| return { | |
| set: (key, value) => this[key]=value, | |
| has: (key) => !!this[key], | |
| get: (key) => this[key], | |
| remove: (key) => delete this[key] | |
| } | |
| } | |
| // Проверка | |
| const map = new XMap(); | |
| const objKey = {foo: true}; | |
| map.set(123, 'ok'); | |
| map.set(objKey, 'fail'); | |
| map.has(objKey) && map.set(objKey, 'wow'); | |
| console.log(map.get(123)); // "ok" | |
| console.log(map.get(objKey)); // "wow" | |
| map.remove(123); | |
| console.log(map.has(123)); // false |
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