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document.getElementById("RESULT").textContent = "The array is: " + numbers +
                         " \n Sum of numbers: " + sum;
                      }
                      </SCRIPT>
                      </HEAD>
                      <BODY>

                      <H1>SUM OF NUMBERS</H1>
                      <BUTTON ONCLICK="calculateSum()">CLICK TO CALCULATE SUM</BUTTON>
                      <P ID="RESULT"></P>
                      </BODY>
                      </HTML>
                      Output of the preceding code is as follows:






















                   15.   Create a JavaScript function that will delete the last element and show the name in uppercase from an
                      array arr1 that was passed to it as an argument.

                   Ans.  <!DOCTYPE html>
                      <HTML>

                      <HEAD>
                      <TITLE>Delete Last Element and Uppercase</TITLE>
                      </HEAD>
                      <BODY>
                      <H2>Delete Last Element and Uppercase</H2>
                      <PRE>
                      <SCRIPT>
                      function processarray(arr1){

                      document.writeln("Original array: "+arr1+"")
                      var removedelement=arr1.pop()
                      var uppercaseelement=removedelement.toUpperCase()
                      document.writeln("Removed element: "+uppercaseelement+"")
                      document.writeln("Updated array: "+arr1)
                      }
                      var arr1=["john","peter","david"]

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