Javascript IF ELSE IF conditional statement with AND OR NOT Operator

For a javascript beginner, understanding the if-else conditional statement is the first task. Since no one can start to write any logic witout IF ELSE statement so why do not start from very basic. In this post i will try to give you a complete understaning on IF - ELSE conditional statement with AND OR NOT operator to build up the logic. For an example we have 3 requirements like:1. I will pass