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AboutAll PostsWarningRandom

Combine Two or More Arrays

  1. const numbers = [1, 2, 3];
  2. const letters = ['a', 'b', 'c'];
  3. const symbols = ['!', '@', '#'];
  4.  
  5. // use spread operator
  6. const combined = [...numbers, ...letters, ...symbols];
  7. console.log('first', combined);
  8.  
  9. // older way
  10. const combinedConcat = numbers
  11.   .concat(letters)
  12.   .concat(symbols);
  13.  
  14. console.log('second', combinedConcat);

If you click “Try it out” be sure to open your console.

// arrays // javascript // tricks

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