join elements of an array javascript code example

Example 1: .join in javascript

const elements = ['Sun', 'Earth', 'Moon'];

console.log(elements.join());
// output: "Sun,Earth,Moon"

console.log(elements.join(''));
// output: "SunEarthMoon"

console.log(elements.join('-'));
// output: "Sun-Earth-Moon"

Example 2: javascript join list of string

// array.join(separator)

var myArray ['foo', 'bar', 'baz'];
myarray.join(':');
// foo:bar:baz

Example 3: js array join

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

Example 4: 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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