Created
March 23, 2018 23:09
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JavaScript Singleton design pattern
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| class Singleton { | |
| constructor() { | |
| if (typeof Singleton.instance === 'object') { | |
| return Singleton.instance; | |
| } | |
| Singleton.instance = this; | |
| return this; | |
| } | |
| } | |
| const instance = new Singleton(); |
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