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29.  Assume a string “hi how are you”. Write JavaScript code to display

                    a. The length of the string
                    b. All characters between positions 5 and 12. (Both inclusive)

               Ans.  <html>
                   <body text="blue">
                   <script>
                   var str1="hi how are you";

                   document.write("Length of string: "+str1.length);
                   document.write("<br>Characters 5-12 are: "+str1.substring(5,13));
                   </script></body>
                   </html>
                   On running the above program, we get the following output:







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