javscript function code example

Example 1: function javascript

var x = myFunction(4, 3);     // Function is called, return value will end up in x

function myFunction(a, b) {
    return a * b;             // Function returns the product of a and b
}

Example 2: 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 3: declare function javascript

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

Example 4: anonymous function javascript

//Anonymous function; It's not assigned to an indentifier

Array.forEach((arguments) => {
	//This is an anonymous function
})

function forEach(arguments) {
	//This is NOT an anonymous function
}

Example 5: How to create a function in javascript

function addfunc(a, b) {
  return a + b;
  // standard long function
}

addfunc = (a, b) => { return a + b; }
// cleaner faster way creating functions!

Example 6: javascript function

function myFunction() {
  alert("Hello World!");
}
myFunction();