writing javascript functions code example

Example 1: simple javascript function

function idk() {
	alert('This is an alert!')
}
//call the function to make the function run by saying "Name of function + ()"
idk()

Example 2: js function

function name(parameter1, parameter2, parameter3) {
// what the function does
}

Example 3: declare function javascript

function myFunction(var1, var2) {
  return var1 * var2;
}

Example 4: how to write a function javascript

// 3 ways you see it
function name(argument){ 
 return argument + 2
  //return something here
}
name(4) // equals 6

let name = function(arg){ return arg + 2}
name(4) //this equals 6, here we are calling our name function

//es6 style 

let name = (arg) => {return arg+ 2}
name(4) //equals 6