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a guest Mar 25th, 2019 49 Never
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  1. var arr = [1, 2, 3, 4, 5];
  2. delete arr[0];
  3.  
  4. console.log('Largo' + arr.length);
  5.  
  6. var arr = [1, 2, 3, 4, 5];
  7. arr.splice(0, 1);
  8.  
  9. console.log('Largo splice' + arr.length);
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