join an array to make a string javascript code example

Example 1: js array join

['h', 'e', 'y'].join('')
// hey

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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