Mapper collaboration path

by parakeet

HTML

<p id="mainText">Enter two mapper's usernames</p>

<label>Mapper #1:</label>
<input type="text" id="m1"><br><br>
<label>Mapper #2:</label>
<input type="text" id="m2"><br><br>
<input type="submit" id="submitBtn" value="GO!!">

<p id="result"></p>

<p id="mList"></p>

JavaScript

JSONData = {"mappers":[{"name":"Shinxray","maps":["VivaPinata","RoyalFlush","Bloons","TimeGear","GravityRush","Waluigi","Merry","CalamityShrine","Lucina","QB","Ashley","Chomusuke+EmperorZell","Flow","LaBrava","Granny","TrickyTowers","Inkling","TemShop","Pikmin","KannaKamui","ManacubeZoo","Rikka","Jevil","Yoshi","Chandelure","Bookworm","KingBidoof","DeepInAbyss","Golden","Cuphead","ParalysedTower","Witch","Mankanshoku","NightmareBeforeChristmas","SquidMelody","Gyroid","Reuniclus","BowserJr","Hibiki","Azusa","DreamTeam","Nero","Rena","LoveIsWar","MorayTower","Hwahee","Megumin","WaterfallMadness","Elevatia","DropKick!","Octopus","Celeste","Aqua","Nezuko","MegaMawile","Reflection","Hachikuji","YuruCamp","Zaphkiel","EiffelTower","DropOut","FakeZaphkiel","Zadkiel","K-On!","7","MonstersInc","Shanoa","Undyne","CelestialResort","ReadyTo","Abigail","Nanachi","DragonMaid","Leyline","Xmas Factory","Ants","Miracle Sea","Lustrous","Magical Paradise"]},{"name":"Presidenten","maps":["Transformice","SpiderNest","GasStation","XC39","Clinic","EasterBunny","Worms","BlueShell","SUB-01","Satellite","Harvesting","Tsunami","Ravager","Mailbox","CasaDellaTires","Flo’sV8Cafe","Spyro","KeyboardCat","CheshireCat","KungFury","Hornet","Byers","Peeper","Headphones","FireDepartment","Shaggy","Bodvar","Picnic","GreaterWisp","Defunct","Beehive","BigChungus","Haybot","Zenyatta","Traffic (Donator)","Laundry","Jaws","Whomp’sFortress","HalloweenPorch","JackOReaper","Cosmo","Odyssey","Elsa","TostarenaTown","ShotoTodoroki","Poseidon","Pepsi","MazeBank","MonkeyBall","Zeus","IceHockey","Scarecrow","DragonBattle","Curiosity","CheepCheepBeach","PlantsVSZombies","Ikea","Gladiator","Kamaji’sRoom","ChristmasTree...