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/**
 * Get a random id with prefix, it not strictly guarantee id uniqueness
 * 
 * Note: the return value of getUuid is too long, we need a short one
 * 
 * @example
 * getUuidShort({ prefix: 'semi' }) => 'semi-46dinzc'
 * getUuidShort({ prefix: '' }) => '0eer2i0'
 * getUuidShort({ prefix: 'semi', length: 4 }) => 'semi-8jts'
 */

shijiatongxue

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shijiatongxue

import React, { useState, useRef, useEffect } from "react";

/**
 * Solution: fix controlled input cursor lossing
 * https://github.com/facebook/react/issues/955
 */
export default function App() {
  const inputRef = useRef();
  const [value, setValue] = useState("12345678");
  const [selection, setSelection] = useState({

shijiatongxue

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