Wewill focus on arguments and parameters. In the calculateBill() function from the previous video, we hardcoded the tax amount. A best practice in JavaScript is to keep your code DRY, which stands for ...

We do not specify data types for parameters in JavaScript function definitions. We do not perform type checking on the passed arguments in the JavaScript functions. We do not check the number of ...

Every now and then I need to have a method support 2 or 3 arguments, providing a default value for one of them if only 2 are specified. My typical solution is to check the number of arguments passed ...

Wewill focus on **arguments** and **parameters**. In the `calculateBill()` function from the previous video, we hardcoded the tax amount. A best practice in JavaScript is to keep your code **DRY**, ...