Conditional Statement

In JavaScript there are three types loop are used:

If statement:

​

           <script type="text/javascript">

                        var age = prompt("Please enter your age");

                        if(age>=18)

                        document.write("You are an adult <br />");

                        if(age<18)

                        document.write("You are NOT an adult <br />");

            </script>

​

If-else

​

             <script type="text/javascript">

                        // Get the current hours

                        var hours = new Date().getHours();

                        if(hours<12)

                        document.write("Good Morning!!!<br />");

                        else

                        document.write("Good Afternoon!!!<br />");

            </script>

​

 If-else-if statement:

​

              <script type="text/javascript">

                        var one = prompt("Enter the first number");

                        var two = prompt("Enter the second number");

                        one = parseInt(one);

                        two = parseInt(two);

                        if (one == two)

                                    document.write(one + " is equal to " + two + ".");

                        else if (one<two)

                                    document.write(one + " is less than " + two + ".");

                        else

                                    document.write(one + " is greater than " + two + ".");

            </script>