number guessing game

javascript:var x=0;alert("by dragonmaster73101-dragonmaster731012 on github");alert("--GUESS THE NUMBER-- rules: guess a number between or equal to 1 and 20");function getRandomNumberBetween(min,max){ return Math.floor(Math.random()*(max-min+1)+min); };a=getRandomNumberBetween(1,20);while (true){v=prompt("What number do you guess?");if (v==a){x=x+1;alert("You got it! you got it "+x+" try!");break} else if (v>20){alert("please guess a number between or equal to 1 and 20.")} else if (v<1){alert("please guess a number between or equal to 1 and 20.")} else if (v>a){x=x+1;alert("too high.")} else if (v<a){x=x+1;alert("too low.")}}