Also the checkUserName function is being recreated on every render.

… is in fact conceptually “inverted” from Vue’s. The reason the disabled works on line 19 is because the entire component is redrawn with the value of username now being “hydrated” from useState() each time it is invoked on re-draw. In this trivial case, it doesn’t really matter. But as your app…
Vue.js “3x3”: a Mental Model for Building Fast
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Charles Chen
Amy Blankenship
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Jan 15, 2023
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Also the checkUserName function is being recreated on every render.
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Written by Amy Blankenship1.2K Followers
·107 Following
Full Stack developer at fintech company. I mainly write about React, Javascript, Typescript, and testing.
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