Let's build on part 1 (https://www.youtube.com/watch?v=lStfMBiWROQ) by looking at the cleanup function on useEffect to make sure that we are using timeouts, intervals and registering event listeners properly. Part 1: https://www.youtube.com/watch?v=lStfMBiWROQ If you liked this video, buy me a coffee! https://www.buymeacoffee.com/bluecollarcoder Hope you folks enjoy this! 👉 If you enjoy this video, please like it and share it. 👉 Don't forget to subscribe to this channel for more updates: https://bit.ly/2E7drfJ 👉 Weekly free newsletter: https://www.jackherrington.com/subscribe/ 👉 Discord server signup: https://discord.gg/ddMZFtTDa5 💢 Watch our other videos: 💟 Hacking your Github contribution graph: https://www.youtube.com/watch?v=_ZQSPYDlk3U 💟 Build a KK Slider Slider: https://www.youtube.com/watch?v=2DbX0xFL0nk Thank you for watching this video, click the "SUBSCRIBE" button to stay connected with this channel. Subscription Link: https://bit.ly/2E7drfJ #reactjs #useEffect