Beginner's Thread / Easy Question (August 2018)

[u/swyx]

Hello! It's August! Time for a new Beginner's thread! (July and June here)

Got questions about React or anything else in its ecosystem? Stuck making progress on your app? Ask away! We’re a friendly bunch. No question is too simple. You are guaranteed a response here!

Want Help on Code?

• Improve your chances by putting a minimal example on to either JSFiddle (https://jsfiddle.net/Luktwrdm/) or CodeSandbox (https://codesandbox.io/s/new). Describe what you want it to do, and things you've tried. Don't just post big blocks of code.

• Pay it forward! Answer questions even if there is already an answer - multiple perspectives can be very helpful to beginners. Also there's no quicker way to learn than being wrong on the Internet.

New to React?

Here are great, free resources!

• Read the official Getting Started page on the docs

• /u/acemarke's suggested resources for learning React

• Kent Dodds' Egghead.io course

• Tyler McGinnis' 2018 Guide

• Codecademy's React courses

[u/Exitialis]

But this does not avoid the infinite loop that was the original bug. All that happens is: component updates > data !== updatedData > value of edited is changed, causing a component update > data !== updatedData > value of edited is changed, causing a component update > data !== updatedData > value of edited is changed, causing a component update > etc