function scope code example

Example 1: javascript define global variable

window.myGlobalVariable = "I am totally a global Var"; //define a global variable
var myOtherGlobalVariable="I too am global as long as I'm outside a function";

Example 2: global scope js

const color = 'blue'

const returnSkyColor = () => {
  return color; // blue 
};

console.log(returnSkyColor()); // blue

Example 3: function scope

// code here can NOT use carName

function myFunction() {

  var carName = "Volvo";
  // code here CAN use carName
}

  
// code here can NOT use carName