Input Component Functions
Explore how to create input component functions using React's useState hook to manage input and ToDo list states. Understand event handling with onChange and onSubmit methods, input validation, and updating the list with unique IDs. This lesson equips you to build a dynamic ToDo list that preserves user entries effectively.
We'll cover the following...
The onChangeHandler method
We’ll now import the useState hook, which allows us to track the state in the component.
Note: To learn more about useState, read the Educative Answer post on useState.
The useState hook takes inputData to store the input’s state value and uses the setInputData function to update the state. We’ll pass this inputData as a value to our input element. Initially, inputData is an empty string. The following code provides an example of this:
:root {
--brand-color: #0ea5e9;
--dark-color: #0f172a;
--mid-color: #cbd5e1;
--light-color: #ffffff;
}
.appHeader {
background-color: var(--brand-color);
}
.appTitle {
color: var(--dark-color);
text-align: center;
padding: 0.5em;
}
The event ...