Page 231 - Web Applications (803) Class 12
P. 231

iv. for (i=1;i<1;i++)

                        document.write(“hello”);
                        document.write(“ByeBye”);
                        v.  str=”Health is Wealth”);

                          document.write(str.match(“wealth”));
                          document.write(str.match(“Wealth”));
                     6.  How do we get javascript on a web page explain?                                [CBSE HANDBOOK]
                                                                                                       Computational Thinking
                 C.   Competency-based/Application-based questions:

                    1.  Consider the following code:                                                   Critical Thinking

                       var fruits = ["Apple", "Mangoes", "Orange", “Banana”];
                        Write command in JavaScript to:

                       Ðadd an item “Guava “ to the array fruits in the last.
                         r
                       Ðemove first element from the array.
                       Ðdisplay number of elements in the array.
                       Ðadd following array to an array “fruits”. var veg=[“Potato”, “Brinjal”, “Gourd”];
                    2.  Declare a function ‘stringsinjava’ in JavaScript to accept two string arguments. The function should

                         Convert both the strings to uppercase.
                         Search for string1 in string2 and display the string if found.
                         Replace all occurrences of letter ‘A’ with ‘*’ in string1.
                         Display first character of string2.




                    LAB ACTIVITY


                    1.    Revise entire JavaScript by watching the video – JavaScript Programming - Full Course (8 hour
                          duration) - https://www.youtube.com/watch?v=jS4aFq5-91M
                    2.    Write code for OK button to find the length of the string entered in a textbox on the webpage.
                    3.    Write a code in JavaScript to accept a number from the user and generate
                          a.  a random number greater than the number entered.
                          b.  next even number after the number entered.                             [CBSE PAPER 2020]

                    4.    Write a function that displays a prompt box which accepts a name and displays a greeting “Happy New
                          Year! <name>” in a paragraph which has an id “para1”.
                    5.    Watch the video – Starbucks Landing Page Website Design using Html CSS & JavaScript | Step
                          By Step Web Design Tutorial : https://www.youtube.com/watch?v=91Q6RvKvd7o and create
                          the same webpage.
                    6.    Create a simple game in JavaScript! Watch the video – The Easiest JavaScript Game Ever
                          https://www.youtube.com/watch?v=bG2BmmYr9NQ
                    7.    Create a Quiz by watching the video – How to create a Simple Quiz Using Html JavaScript
                          https://www.youtube.com/watch?v=rCVqQ8NKU2M





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