Conclusion: How to Build a Todo List App with React Hooks and TypeScript.document.addEventListener('keyup', (event) => You can now take it from here.
We can similarly react when a key is released using the 'keyup' event.
When we use a 'keydown' event we are listening for the moment when a key is pressed. You may have a requirement where you only need to allow user digits or numeric values for the input field. In this example I am going to show you how to allow only numeric values or digits in input field using React JS. At First ,all you need have installed react with typescript for creating our application ,you can install it using npm or yarn as follow: $ npx create-react-app my-app.
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