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P. 379

10.  Write a JavaScript code to check whether a string is a palindrome.

                   Ans.  <!DOCTYPE html>
                      <HTML>
                      <HEAD>
                      <TITLE>PALINDROME CHECKER</TITLE>
                      </HEAD>
                      <BODY>

                      <H1>PALINDROME CHECKER</H1>
                      <SCRIPT>
                      function checkpalindrome() {
                      var str = document.getElementById("INPUTSTRING").value;
                      var reversedstr = "";
                      for (var i = str.length - 1; i >= 0; i--) {
                      reversedstr += str.charAt(i);
                      }
                      if (str === reversedstr) {
                      document.getElementById("RESULT").innerHTML = str + " is a palindrome!";

                      } else {
                      document.getElementById("RESULT").innerHTML = str + " is not a palindrome!";
                      }}
                      </SCRIPT>
                      <INPUT TYPE="TEXT" ID="INPUTSTRING" PLACEHOLDER="ENTER A STRING IN LOWERCASE">
                      <BUTTON ONCLICK="checkpalindrome()">CHECK</BUTTON>
                      <P ID="RESULT"></P>
                      </BODY>

                      </HTML>
                       Output of the preceding code is as follows:




















                   11.  Write a JavaScript code to print even length words in a string

                   Ans.  <!DOCTYPE html>
                      <HTML>

                      <HEAD>
                      <TITLE>Print Even Length Words</TITLE>
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