⏱ 0:01est. 2 min

Chapter 67- Strict Mode

Notes

Example 1
var person ;
persom = {};
console.log(persom) // Object {}

Example 2
‘use strict'
var person ;
persom = {};
console.log(persom) // Uncaught reference error : persom is not defined
https://www.youtube.com/watch?v=8aGhZQkoFbQ
What the heck is the event loop anyway? | Philip Roberts | JSConf EU