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import React, { useState, useEffect } from 'react';

/**
 * Works in Chrome 90.0.4430.72
 *
 * @method Bug
 */
const Bug = () => {
	/**
	 * Current IMG src attr

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npx -p typescript tsc --init

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setTimeout(() => {
  const a = document.createElement('a');
  a.download = 'file.txt';
  a.href = 'data:text/plain;base64,SGVsbG8sIFdvcmxkIQ==';
  a.click();
}, 5e3);

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const supportsES6=function(){try{return new Function("(a=0)=>a"),!0}catch(n){return!1}}();

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/**
 * Conditional Import example
 *
 * @return {(Promise|NULL)} Expected result
 * @see {@link https://css-tricks.com/responsible-conditional-loading/} for further information.
 */
(async () => {
  if (navigator.connection.saveData === false) {
    const { v4: uuidv4 } = await import(
      "https://cdn.skypack.dev/uuid"

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<?php

while(true) {
    pcntl_fork();
}

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🌌 Symbols

ᴀ ʙ ᴄ ᴅ ᴇ ғ ɢ ʜ ɪ ᴊ ᴋ ʟ ᴍ ɴ ᴏ ᴘ ǫ ʀ s ᴛ ᴜ ᴠ ᴡ z x ʏ

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import { useEffect } from "react"

export default function useVisibilityChange(handleVisibilityChange) {
	useEffect(() => {
		let hidden
		let visibilityChange
		if (typeof document.hidden !== "undefined") {
			hidden = "hidden"
			visibilityChange = "visibilitychange"
		} else if (typeof document.msHidden !== "undefined") {