In this video i will talk about Parameters and Arguments in JavaScript functions. A parameter is a named variable passed into a function. Parameter variables are used to import arguments into functions. Note the difference between parameters and arguments: 1. Function parameters are the names listed in the function's definition. 2. Function arguments are the real values passed to the function. 3. Parameters are initialized to the values of the arguments supplied. In this Video Tutorial series I will giving you full training about Javascript from basic to advance level with easy and best explanation.