FUNCTION BASIC FUNCTION SYNTAX function f.name(parameter) { } EVERY TIME WE NEED TO CALL/INVOKE THE FUNCTION function add ( a , b ) { console . log ( a + b ) } var a = add ; // function add(a, b) var b = add ( 3 , 5 ) //8 console.log / return inside function function add ( a , b ) { console . log ( a + b ) a - b } Console.log(a+b) will display the output directly If u want to use the output of this function as data for other line u need to use return . If we use both it will print console and log immediately and store the return value in the variable return RELATED PROBLEMS PROBLEM 1 function myfun ( a , b ) { console . log ( "hi" ); if ( a == 10 ) { ...