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Unsolved Exercise


                                                              Section A
                                                      (Objective Type Questions)
              A.  Choose the correct option.
                  1.  What will be the output of the following JavaScript code:

                     <script>
                         a=6;

                         if(a=== "6")
                             document.write("True");
                         else
                             document.write("False");
                     }
                     </script>
                      i.  True                                        ii.  False
                     iii.  Compiler Error                             iv.  Run time Error
                  2.   When we view a webpage containing JavaScript script, ................................ actually executes the script.
                      i.  Web server                                  ii.  A machine on the internet
                     iii.  Web browser                                iv.  None of these
                  3.  Variables in JavaScript are used to ................................ .
                      i.  Store values                                ii.  display values
                     iii.  transfer values from keyboard to monitor   iv.  All of the above
                  4.  As an alternative to an if...else statement, ................................ operator is commonly used.
                      i.  Loop                                        ii.  Conditional operator
                     iii.  if..else if…else statement                 iv.  NaN
                  5.  Which of the following is not a valid JavaScript variable name?
                      i.  basicsal                                    ii.  basic_sal
                     iii.  basicsal                                   iv.  3basicsal
                  6.  Which of the following is used to add single line comments in JavaScript?
                      i.  :                                           ii.  //
                     iii.  ;                                          iv.  " "
                  7.  Which of the following is also the name of JavaScript?
                      i.  ECMAScript                                  ii.  LiveScript
                     iii.  Both i. and ii.                            iv.  VBSCRIPT
                  8.  Consider the following code:
                     var i = 10;
                     var j = 2;

                     while(i > j)
                     {
                         i = i / j;
                         document.write(i+" ");
                     }
                      What will be the final value of the variable i displayed?
                      i.  2.5                                         ii.  1.25
                     iii.  5                                          iv.  1

                388     Touchpad Web Applications-XI
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