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Recap Zone


                      In JavaScript, strings are collections of characters.
                      In JavaScript, almost everything is an object except for six primitive types: null, undefined, strings,
                     numbers, Booleans, and symbols.

                      A block of code created specifically to carry out a specific task is referred to as a JavaScript function.
                      prompt( ) method asks the user to enter a value. It has two buttons, one for ‘Ok’ and one for ‘Cancel’.
                      The confirm( ) method is used to obtain confirmation from the user about an action.
                      The String object offers formatting and string manipulation methods and properties.
                      Numerous mathematical operations are supported by the Math object.

                      Objects represent entities from the outside world that we want to express in our programs through
                     properties, and methods.

                      An array is a special variable, with the capacity to hold several values.
                      A block of code created specifically to carry out a specific task is referred to as a JavaScript function.
                      An event is defined as a change in an object's state.
                      The act of responding to events is known as event handling.
                      JavaScript uses event handlers to handle HTML events.






                 Solved Exercise



                                                                Section A
                                                        (Objective Type Questions)
                 A.  Choose the correct option.

                     1.  DOM stands for ................................
                      i.  Document Open Model                           ii.  Draft Object Model
                      iii.  Document Object Model                       iv.  Draft Open Model
                     2.  In JavaScript, any object of any type can be assigned to any ................................
                      i.  object                                        ii.  loop
                      iii.  HTML form                                   iv.  variable
                     3.  When a user enters incorrect information, the developer can utilise ............................... to show the user a warning
                      or error.
                      i.  alert box                                     ii.  prompt box
                      iii.   input box                                  iv.  None of these

                     4.  ............................... inbuilt function returns an arbitrary value between 0 and 1.
                      i.  randint( )                                    ii.  randfloat( )
                      iii.  random( )                                   iv.  Floor( )
                     5.  The act of responding to events is known as ................................
                      i.   prompt handling                               ii.  event handling
                      iii.  programming                                 iv.  event handler


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