combine array javascxript code example

Example 1: js join two arrays

[1,2,3].concat([4,5,6])
// [1,2,3,4,5,6]

Example 2: join array javascript

<html>
  <select multiple class="select-colors">
    <option>blue</option>
    <option>green</option>
  </select>
</html>  

<script>
  var myColorSelect = $(".select-colors").val().join();
  
 console.log(myColorSelect);
</script>

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Html Example

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