React validate if an item exist in array and set a message to the user
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…
Category: React
React delete item and update the DOM
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.
…
React add item and update the DOM
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.
…
Work with inputs/form in React
Hi, this code have the way to save the user data in local state through React.
…
Spread operator in objects
Hi, in this post we are going to use the spread operator (...) in objects.
…
Colocate state in React
Hi, in this post we are going to see what means "colocate state in React" and we are going to see an example.
…
useRef in React
Hi, in this post we are going to see how to use the "useRef" hook in an example.
…
What is lifting state in React?
Hi, in this post we are going to learn about what is lifting state in React and we are going to see an example.
…
What is a Custom hook in React?
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.
…
Optimizing useEffect in React
Hi, in this post we are going to see how to optimize the useEffect hook in React.
…