How many arguments can be passed to the useEffect() hook?AOneBTwoCThreeDFour
Question
How many arguments can be passed to the useEffect() hook?AOneBTwoCThreeDFour
Solution
The useEffect() hook in React can accept two arguments. So, the correct answer is BTwo. The first argument is a function where you can place your effect logic. The second argument is an optional array of dependencies. If any of the dependencies change, the effect function will be re-run.
Similar Questions
What is the purpose of the second argument in the useEffect Hook?ATo specify the initial state of the componentBTo specify the dependencies of the effectCTo specify the effects of the componentDTo specify the props of the component
What does the useEffect hook do without a dependency array?
useEffect Hook takes in two arguments: a callback function and a dependencies array, from which dependencies are optional.useEffect(() => { callbackFunction(); }, [name]);If we provide a dependency item, say name, What does that mean?AIt means the callback function will be called on every rerender.BIt means the callback function will be called only once.CIt means the callback function will be called only if the dependencies value (in this case name) has changed.DAll of the above
What is the syntax for the useEffect() hook in React, when you want to run a function inside the useEffect only when the app loads?AuseEffect(() => {}, []);BuseEffect(() => {}, [stateVariable]);CuseEffect(() => {});DAll of the above
The useEffect() method will run whenever any state of the component changes, when there is no second argument passed to it. Please validate the above statement. True False
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