Category: React Fundamentals

Hi, in this post I’m going to add a new item(name) to an existent array(names) and I will check if the new item exist in the array and if exist then send a message to th…

Hi, in this post I’m going to add the code to delete an item (name) to an existent array (names) and update the DOM automatically on the OnClick method. …

Hi, in this post I'm going to add the code to add a new item (name) to an existent array (names) and update the DOM automatically on the OnClick method. …

Hi, this code have the way to save the user data in local state through React. …

Hi, in this post we are going to use the spread operator (...) in objects. …

Hi, in this post we are going to see what means "colocate state in React" and we are going to see an example. …

Hi, in this post we are going to see how to use the "useRef" hook in an example. …

Hi, in this post we are going to learn about what is lifting state in React and we are going to see an example. …

Hi in this post we are going to know what is a custom hook in React and how this will help us in our code. …

Hi, in this post we are going to see how to optimize the useEffect hook in React. …