Cleaning up setInterval with Vue's onMounted and onUnmounted

In the previous video, I showed how Vite's HMR can leave two setInterval timers running in a Vue component when you save a change.

In today's video, I walk through the cleanup fix that ties the timer's lifecycle to the component itself, which handles HMR and normal unmounting alike.

Watch Now (3 min)

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Here to help,

Joel

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