3min chapter

HTML All The Things - Web Development, Web Design, Small Business cover image

JavaScript Basics: Learn These Concepts First

HTML All The Things - Web Development, Web Design, Small Business

CHAPTER

The Differences Between Let and Var

var is a slightly different and here I'm going to read this out and we'll see if we can interpret it. Variables declared by let are only available inside the block that they are defined. Whereas variables declared by var are available throughout the function in which they're declared. If you start mixing and matching let in bars, it's just going to be kind of chaos all over the place. Okay. So like you said, there's global scope and local scope. Let and let and cons are both kind of locally scoped where if they're declared within curly braces, you can use them whatever,. But if they're declaration outside of the curly braces, then they're globally scoped

00:00

Get the Snipd
podcast app

Unlock the knowledge in podcasts with the podcast player of the future.
App store bannerPlay store banner

AI-powered
podcast player

Listen to all your favourite podcasts with AI-powered features

Discover
highlights

Listen to the best highlights from the podcasts you love and dive into the full episode

Save any
moment

Hear something you like? Tap your headphones to save it with AI-generated key takeaways

Share
& Export

Send highlights to Twitter, WhatsApp or export them to Notion, Readwise & more

AI-powered
podcast player

Listen to all your favourite podcasts with AI-powered features

Discover
highlights

Listen to the best highlights from the podcasts you love and dive into the full episode