How to Create a Coin Flipping App using ReactJS? Then pass the function to the click handler and change the state of the component inside the function using setState. ', merges a partial state into the current state. In my input field i have the onKeyUp= {sendData (this)} to send the data in the sendData function, and then fetch the results . How many grandchildren does Joe Biden have? To learn more, see our tips on writing great answers. code of conduct because it is harassing, offensive or spammy. There's actually a hidden requirement: the input must remain working, i.e. And I can edit each slogan one by one clicking their edit buttons. gets re-rendered and shows the updated text. How to change background color of paragraph on double click using jQuery ? This next example shows shows how to use a controlled input approach. Ever thought of using double tapping on a text to make it an input field to edit the text? Type is an everyday concept to programmers, but its surprisingly difficult to define it succinctly. It is discussed together with other uncontrolled components later in the documentation. If the user changes then name to Bobby then the form is dirty and SAVE button is enabled. We have to set initial state value inside constructor function and set click event handler of the element upon which click, results in changing state. Consider, we have the following component in our react app: To change the button text in React, add the onClick event handler to it and change the text conditionally whenever a button is clicked. In HTML, form elements such as ,