Answer by Mohammadtz for In ReactJS, if we don't supply a dependency array...
you need use like this:useEffect(() => { const interval = setInterval(() => { console.log("NOW", Date.now() / 1000); setDuration(Date.now() - startTime); }, 1000); return ()=>...
View ArticleAnswer by qafoori for In ReactJS, if we don't supply a dependency array for...
There is a major and quite obvious difference between an empty array and an 'no deps'.When you use an empty array, you are actually using componentDidMount in class components. But if you do not leave...
View ArticleAnswer by Fantastisk for In ReactJS, if we don't supply a dependency array...
Very simply put, the array you provide is telling useEffect that it should run when the values inside the array changes. Since the value is static it will only run once. If you remove the array it will...
View ArticleIn ReactJS, if we don't supply a dependency array for useEffect, it can cause...
I saw in the ReactJS docs that the dependency array in useEffect(fn, []) is optional, and not supplying it should be the same as supplying an empty array.However, if I have the code as on:...
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