React · Theory

Date Picker in React

Theory

51/94

Date Picker in React

Native <input type="date" value={day} onChange={…} /> stores YYYY-MM-DD. Enough for many forms. Calendar popups: a library. Always keep the value as a string or Date consistently — mixing is a bug factory.

Date Picker in React — on screen — date input 13 Aug 2002. Value is yyyy-mm-dd string.

Exam tip

Controlled date input first.

Example

// Date
import { useState } from "react";

export default function Dob() {
  const [day, setDay] = useState("2002-08-13");
  return <input type="date" value={day} onChange={(e) => setDay(e.target.value)} />;
}

Date Picker in React — on screen: date input 13 Aug 2002. Value is yyyy-mm-dd string.

Short notes

DefNative type=date.
RuleFormat : YYYY-MM-DD.
RememberLib : when you need a calendar UI.

React · Theory

Date Picker in React

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Theory

51/94

Date Picker in React

Date Picker in React — on screen — date input 13 Aug 2002. Value is yyyy-mm-dd string.

Exam tip

Controlled date input first.

Example

// Date
import { useState } from "react";

export default function Dob() {
  const [day, setDay] = useState("2002-08-13");
  return <input type="date" value={day} onChange={(e) => setDay(e.target.value)} />;
}

Date Picker in React — on screen: date input 13 Aug 2002. Value is yyyy-mm-dd string.

Short notes

DefNative type=date.
RuleFormat : YYYY-MM-DD.
RememberLib : when you need a calendar UI.

Date Picker in React

Example

Short notes

Questions

Date Picker in React

Example

Short notes

Questions