CodeScripter

JavaScript Design Patterns

Function Argument Patterns
function myfunc(a,b,c) {
  return a+b+c;
}

• Like all variables in JavaScript arguments are untyped
• Unspecified arguments become undefined.
• console.log(myfunc(1,2,3));
• console.log(myfunc(1,2,3,4));
• console.log(myfunc(1,2));