JavaScript Variable Declaration: var vs. let vs. const

The JavaScript of the past only gave us global variables and the var keyword, which created problems because var hoisted variable declarations to the function level. In modern JavaScript, you can declare variables with the let and const keywords. What is the difference between var, let, and const? This video walks through the differences. JavaScript is the assembly language of the web, but that hasn't prevented it from being the punchline of jokes for the last decade or so because of some of its weird quirks, and the various ways in which browsers have implemented it. In this video tutorial series, we're going to go over modern JavaScript, and why, if you hate JavaScript, you shouldn't anymore. If you like this video and want to go deeper, check out https://codepunk.io, or subscribe to our newsletter at https://botsandbeer.com To stay in touch, following me on Twitter at https://twitter.com/szul. You can also follow Bill: https://twitter.com/neurothustra. Don't forget to subscribe to this channel for updates: https://www.youtube.com/c/codepunk?sub_confirmation=1