分享一个以前写的小游戏，纯js游戏，代码很简单。欢迎大家来喷呦！
效果图：
代码展示：//直接复制到html文件即可 支持IE9+版本
<!DOCTYPE html> <html> <head> <meta charset="{CHARSET}"> <title>Best Fly Car</title> <style> input { border: 1px solid yellow; margin-left: 20px; margin-top: 20px; } .way-content { margin-left: auto; margin-right: auto; width: 1024px; height: 700px; position: relative; border: 1px solid burlywood; background-color: darkolivegreen; } .car { color:black; width: 20px; height: 20px; border: 1px solid brown; background: greenyellow; position: absolute; left: 502px; top: 678px; text-align: center; z-index: 99; } .C-car { color:black; width: 20px; height: 15px; border: 1px solid brown; background: red; position: absolute; left: 502px; top: 0px; text-align: center; z-index: 98; } .way-grid { margin: 0 0; margin-left: 412px; background-color: grey; border: none; border-right: 1px solid brown; border-left: 1px solid brown; min-width: 100px; max-width: 1024px; width: 200px; height: 10px; color: white; font-size: 5px; position: relative; text-align: center; } .go { background: greenyellow; width: 100px; height: 50px; text-align: center; } </style> </head> <body> <div> <div>++</div> </div> <br /> The width of the road:<input type="number" value="200" /> <br /> Keyboard sensitivity: <input type="number" value="10" /><br /> The game difficulty:<input type="number" value="5" /><br /> <input type="button" value="go" /><br /> <script type="text/javascript"> var wayLeft = [], cO = null, LC = null, RC = null, st = null, clickLR = false, s = null, LMD = 5, wayWhite = 200, ND = 15, //n*2+1; NDArry = [0, 1, -1], gridStr = 'way-grid-', PX = 'px', length = 70, NDIndex = 30, waysetIndex = 10, waysetValue = (1024 - wayWhite) / 2, delvalue = 0, n = 5, waitvalue = 10 / n, checkOut = function () { var index = wayLeft[wayLeft.length - 1].wayLeft, CCarvalue = wayLeft[wayLeft.length - 1].CCarvalue + index, carIndex = parseInt(document.getElementById('car').offsetLeft) + 10; if (carIndex < index + wayWhite && carIndex > index && (CCarvalue == 0 || !(CCarvalue < carIndex && CCarvalue + 20 > carIndex))) { return true; } else { clearInterval(st); clearInterval(cO); clearInterval(LC); clearInterval(RC); var e = new Date(); alert('totle :' + parseInt((e.getTime() - s.getTime()) / 600) + 's'); document.onkeydown = null; document.onkeyup = null; clearInterval(cO); clearInterval(LC); clearInterval(RC); } }, //初始道路坐标 getFitstArray = function () { waysetValue = (1 - wayWhite) / 2; for (var i = 0; i < length; i++) { wayLeft[i] = {}; wayLeft[i].wayLeft = (1024 - wayWhite) / 2; } }, //初始化道路 setWay = function () { var docElem = document.createDocumentFragment(); for (var i = 0; i < length; i++) { var grid = document.createElement('div'); grid.className = 'way-grid'; grid.id = gridStr + i; grid.textContent = '|'; docElem.appendChild(grid); } document.getElementById('way-content').appendChild(docElem); }, //生成下一个道路 getNextL = function (firstL) { var CCarvalue = 0; //渐变道路 if (waysetIndex > 1) { waysetIndex -= 1; waysetValue = firstL + delvalue; } else if (waitvalue > 0) { //直线缓冲道路 waitvalue--; waysetValue = firstL; } else { //渐变规则 delvalue = NDArry[parseInt(Math.random() * 3)] * parseInt(n / 2 + 1); CCarvalue = parseInt(Math.random() * wayWhite); waysetIndex = NDIndex; waitvalue = 100 / n; waysetValue = firstL + delvalue; } return waysetValue >= 0 && waysetValue <= (1024 - wayWhite) ? { wayLeft: waysetValue, CCarvalue: CCarvalue } : { wayLeft: firstL, CCarvalue: CCarvalue }; }, //根据数组刷新道路 getWayByArry = function () { var CCarvalueList = document.getElementsByClassName('C-car'); while (CCarvalueList[0]) { CCarvalueList[0].remove(); } for (var i = 0; i < wayLeft.length; i++) { var grid = document.getElementById(gridStr + i); grid.style['width'] = wayWhite + PX; grid.style['margin-left'] = wayLeft[i].wayLeft + PX; if (wayLeft[i].CCarvalue) { var CCarvalue = document.createElement('div'); CCarvalue.id = 'CCarvalue' + i; CCarvalue.className = 'C-car'; CCarvalue.textContent = '+'; CCarvalue.style['left'] = wayLeft[i].CCarvalue + PX; grid.appendChild(CCarvalue); } } }, //左键事件 lClick = function () { if (document.onkeydown) { var a = document.getElementById('car') a.style['left'] = (a.offsetLeft - LMD) + PX; } }, //右键事件 rClick = function () { if (document.onkeydown) { var a = document.getElementById('car') a.style['left'] = (a.offsetLeft + LMD) + PX; } }, //确定事件 goClick = function () { clearInterval(st); clearInterval(cO); clearInterval(LC); clearInterval(RC); document.onkeydown = null; document.onkeyup = null; LMD = parseInt(document.getElementById('LMD').value) / 4; wayWhite = parseInt(document.getElementById('wayWhite').value); ND = parseInt(document.getElementById('ND').value) * 1 + 1; NDIndex = 30; getFitstArray(); getWayByArry(); s = new Date(); document.onkeydown = function (evt) { var evt = window.event ? window.event : evt; if (clickLR) { } else if (evt.keyCode == 37) { //锁定当前按键 clickLR = true; LC = setInterval(lClick, 10); } else if (evt.keyCode == 39) { //锁定当前按键 clickLR = true; RC = setInterval(rClick, 10); } }; document.onkeyup = function (evt) { //清除锁定 clickLR = false; clearInterval(LC); clearInterval(RC); } document.getElementById('car').style['left'] = 502 + PX; st = setInterval(stratBC, 100 / ND); cO = setInterval(checkOut, 10); }, stratBC = function () { setWayArray(); getWayByArry(); }, setWayArray = function () { var firstL = wayLeft[0], nextL = (1024 - wayWhite) / 2; nextL = getNextL(firstL.wayLeft); for (var i = 0; i < wayLeft.length; i++) { firstL = wayLeft[i]; wayLeft[i] = nextL; nextL = firstL; } }; getFitstArray(); setWay(); getWayByArry(); document.getElementById('go').onclick = goClick; </script> </body> </html>