How to pass a value to onClick event handler in React.js

If you ever tried to pass a parameter to onClick event handler, you know that it is not straightforward.If you didn't, here is why may want to. Imagine a scenario where you have a group of three buttons. When you click on one of them, you want to know which one was clicked and perform an appropriate action. You have a choice of creating three onClick event handlers, one for each button, or one hander for all the buttons and pass a parameter identifying the clicked button into it. Which option do you choose? Clearly writing one handler should be less work, right?Unfortunately, passing a parameter into an event handler in React is not straightforward. If it were, there wouldn't be multi-page discussions about just that. By the way, the accepted answer on that Stackoverflow thread lists an "Easy way" along with "Better way" and an "Old easy way". The "Easy way" is indeed easier, but has a performance impact. And a "Better way" is in fact not that easy. Is that confusing, or is that just me?However, don't despair! I will show you how you can pass not even one, but multiple parameters into an onClick event handler.

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This article is related to

javascript,front-end-development,react