Web Reference: 1 day ago · shouldComponentUpdate () is a React class component lifecycle method that decides whether a component should re-render when props or state change. Returning true allows a re-render, while false prevents it, helping optimize performance. Invoked before every render to check if an update is necessary. in this Reactjs 16 tutorial we learn about how to use shouldComponentUpdate OR should Component Update life cycle method with example by anil sidhu ...more The shouldComponentUpdate() method is added in a component called OnlyEvens. Currently, this method returns true so OnlyEvens re-renders every time it receives new props. Modify the method so OnlyEvens updates only if the value of its new props is even.
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