Dodgy Square Code

javascript:alert("--DODGYSQUARE--rules: use the left and right arrow keys, to dodge the red squares. the red squares get really fast, so be careful!"); var xpos=80; var ypos=350; var enemyxpos=0; var enemyypos=-120; var enemyspeed=2.5; var playerspeed=4; var scorecount=0; var left=0; var right=0; (function () { var bg = document.createElement('div'); var body = document.getElementsByTagName('body')[0]; body.appendChild(bg); bg.style.position = 'fixed'; bg.style.top = '0px'; bg.style.left = '0px'; bg.style.margin = '0px'; bg.style.paddingTop = '10px'; bg.style.width = '300px'; bg.style.height = '500px'; bg.style.zIndex = 10000; bg.style.opacity = 1; bg.style.color = 'white'; bg.style.backgroundColor = 'black'; bg.style.border = '0px solid white'; bg.style.textAlign = 'center'; bg.id = 'bg'; bg.style.display = 'block'; bg.innerText = ''; }()); (function () { var me = document.createElement('div'); var body = document.getElementsByTagName('body')[0]; body.appendChild(me); me.style.position = 'fixed'; me.style.top = '535px'; me.style.left = '0px'; me.style.margin = '0px'; me.style.paddingTop = '5px'; me.style.width = '300px'; me.style.height = '35px'; me.style.zIndex = 10000; me.style.opacity = 1; me.style.color = 'black'; me.style.backgroundColor = 'white'; me.style.border = '4px solid black'; me.style.textAlign = 'center'; me.id = 'me'; me.style.display = 'block'; me.innerText = 'by dragonmaster73101'; document.getElementById('me').addEventListener('click',function(){ window.open('https://github.com/dragon731012'); }); }()); (function () { var score = document.createElement('div'); var body = document.getElementsByTagName('body')[0]; body.appendChild(score); score.style.position = 'fixed'; score.style.top = '500px'; score.style.left = '0px'; score.style.margin = '0px'; score.style.paddingTop = '5px'; score.style.width = '300px'; score.style.height = '35px'; score.style.zIndex = 10000; score.style.opacity = 1; score.style.color = 'black'; score.style.backgroundColor = 'white'; score.style.border = '4px solid black'; score.style.textAlign = 'center'; score.id = 'score'; score.style.display = 'block'; score.innerText = 'score: '+scorecount+''; }()); (function () { var you = document.createElement('div'); var body = document.getElementsByTagName('body')[0]; body.appendChild(you); you.style.position = 'fixed'; you.style.top = ''+ypos+'px'; you.style.left = ''+xpos+'px'; you.style.margin = '0px'; you.style.paddingTop = '10px'; you.style.width = '70px'; you.style.height = '120px'; you.style.zIndex = 10000; you.style.opacity = 1; you.style.color = 'blue'; you.style.backgroundColor = 'blue'; you.style.border = '0px solid white'; you.style.textAlign = 'center'; you.id = 'you'; you.style.display = 'block'; you.innerText = ''; function mover(){ if (left==1){ if (xpos-12>=0){ xpos=xpos-playerspeed; you.style.left = ''+xpos+'px'; } } if (right==1){ if (xpos+10<=230){ xpos=xpos+playerspeed; you.style.left = ''+xpos+'px'; } } } setInterval(mover,5); window.addEventListener("keydown",function(event){ if(event.key=="ArrowLeft"){ left=1; } }); window.addEventListener("keyup",function(event){ if(event.key=="ArrowLeft"){ left=0; } }); window.addEventListener("keydown",function(event){ if(event.key=="ArrowRight"){ right=1; } }); window.addEventListener("keyup",function(event){ if(event.key=="ArrowRight"){ right=0; } }); }()); function makeenemy(){ (function () { var enemy = document.createElement('div'); var body = document.getElementsByTagName('body')[0]; body.appendChild(enemy); enemyxpos=Math.floor(Math.random()*(230-0+1)+0); enemyypos=-120; enemy.style.position = 'fixed'; enemy.style.top = ''+enemyypos+'px'; enemy.style.left = ''+enemyxpos+'px'; enemy.style.margin = '0px'; enemy.style.paddingTop = '10px'; enemy.style.width = '70px'; enemy.style.height = '120px'; enemy.style.zIndex = 10000; enemy.style.opacity = 1; enemy.style.color = 'red'; enemy.style.backgroundColor = 'red'; enemy.style.border = '0px solid white'; enemy.style.textAlign = 'center'; enemy.id = 'enemy'; enemy.style.display = 'block'; enemy.innerText = ''; function enemymove(){ enemyypos=enemyypos+enemyspeed; enemy.style.top = ''+enemyypos+'px'; if (enemyypos>380){ enemy.parentNode.removeChild(enemy); scorecount=scorecount+1; score.innerText = 'score: '+scorecount+''; makeenemy(); } } setInterval(enemymove,50); }()); } makeenemy(); function colliding() { if (xpos < enemyxpos + 70 && xpos + 70 > enemyxpos && ypos < enemyypos + 120 && ypos + 120 > enemyypos) { clearInterval(colliding); document.getElementById("enemy"); enemy.parentNode.removeChild(enemy); document.getElementById("you"); you.parentNode.removeChild(you); document.getElementById("bg"); bg.parentNode.removeChild(bg); document.getElementById("score"); score.parentNode.removeChild(score); document.getElementById("me"); me.parentNode.removeChild(me); alert("game over. your score was "+scorecount+"."); } } setInterval(colliding,5);