JavaScript: For Loops

Example: Array in JavaScript


	<script>
	var artists = ['Prince','Sam Cooke','Steely Dan','Neil Young'];
	
	len = artists.length;
	document.write("
    "); for (i = 0; i < len; i++) { document.write("
  • " + artists[i]); } document.write("
"); </script>

Output:   

  • Prince   
  • Sam Cooke   
  • Steely Dan   
  • Neil Young

    Run It


    Example: Array in JavaScript - Adding and Sorting Elements

    In this example, a new element is added to the array with the push method and then the the array is sorted.

    
    	<script>
    	var artists = ['Prince','Sam Cooke','Steely Dan','Neil Young'];
    	artists.push("Maxwell"); 
    	artists.sort();
    	
    	
    	len = artists.length;
    	document.write("
      "); for (i = 0; i < len; i++) { document.write("
    • " + artists[i]); } document.write("
    "); </script>

    Output:   

  • Maxwell   
  • Neil Young   
  • Prince   
  • Sam Cooke   
  • Steely Dan

    Run It