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a guest Oct 23rd, 2019 76 Never
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  1. const array = ['😉','😊','😇']
  2. const copyWithEquals = array // Changes to array will change copyWithEquals
  3. const copyWithSpread = [...array] // Changes to array will not change copyWithSpread
  4.  
  5. array[0] = '😡' // Whoops, a bug
  6.  
  7. console.log(...array) // 😡 😊 😇
  8. console.log(...copyWithEquals) // 😡 😊 😇
  9. console.log(...copyWithSpread) // 😉 😊 😇
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