我的代码哪里错了呢？时钟躲着不出来呀。。。。。求助。。。代码如下：
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>canvas clock</title>
<style type="text/css">
div{
text-align: center;
margin-top: 250px;
}
#clock
{
border: 1px solid #ccc;
}
</style>
</head>
<body>
<div>
<canvas id="clock" height="200px" width="200px"></canvas>
</div>
<!-- <script type="text/javascript" src="clock2.js"></script> -->
<script type="text/javascript">
var dom = document.getElementById('clock');
var ctx = dom.getContext('2d');
var width = ctx.canvas.width;
var height = ctx.canvas.height;
var r = width / 2;
var rem = width / 200;
function drawBackground() {
ctx.save();
ctx.translater(r,r);
ctx.beginPath();
ctx.lineWidth = 10;
ctx.arc(0, 0, r - 5, 0, 2*Math.PI, false);
ctx.stroke();
var hourNumbers = [3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 1, 2];
ctx.font = '18px Apial';
ctx.textAlign='center';
ctx.textBaseline='middle';
hourNumbers.forEach(function(number,i){
var rad= 2 * Math.PI/ 12 * i;
var x = Math.cos(rad) * (r - 30 * rem);
var y = Math.sin(rad) * (r - 30 * rem);
ctx.fillText(number, x, y);
});
for(var i=0;i <60; i++){
var rad = 2 * Math.PI/60*i;
var x = Math.cos(rad) * (r-18 * rem);
var y = Math.sin(rad) * (r-18 * rem);
ctx.beginPath();
if(i % 5 === 0){
ctx.fillStyle="#000";
ctx.arc(x, y, 2 * rem, 0, 2 * Math.PI,false);
}else{
ctx.fillStyle = "#ccc";
ctx.arc(x, y, 2 * rem, 0, 2 * Math.PI,false);
}
ctx.fill();
}
}
function drawHour(hour,minute){
ctx.save();
ctx.beginPath();
var rad = 2 * Math.PI / 12 * hour;
var mrad = 2 * Math.PI / 12 / 60 * minute;
ctx.rotate(rad + mrad);
ctx.lineWidth = 6 * rem;
ctx.lineCap = "round";
ctx.moveTo(0,10 * rem);
ctx.lineTo(0,-r / 2);
ctx.stroke();
crx.restore();
}
function drawMinute(minute){
ctx.save();
ctx.beginPath();
var rad = 2*Math.PI / 60 *minute;
ctx.rotate(rad);
ctx.lineWidth=3 * rem;
ctx.lineCap="round";
ctx.moveTo(0, 10 * rem);
ctx.lineTo(0,-r + 30 * rem);
ctx.stroke();
ctx.restore();
}
function drawSecond(second){
ctx.save();
ctx.beginPath();
ctx.fillStyle = "#c14543"
var rad = 2 * Math.PI / 60 * second;
ctx.rotate(rad);
ctx.moveTo(-2,20);
ctx.lineTo(1, -r + 18 * rem);
ctx.lineTo(-1,-r + 18 * rem);
ctx.fill();
crx.restore();
}
function drawDot(){
ctx.beginPath();
ctx.fillStyle = "#fff";
ctx.arc(0,0,3,0,2*Math.PI,false);
ctx.fill();
}
drawBackground();
drawDot();
function draw(){
ctx.clearRect(0,0, width, height);
var now = new Date();
var hour = now.getHours();
var minute = now.getMinutes();
var second = now.getSecond(;
drawBackground();
drawHour(hour,minute);
drawMinute(minute);
drawSecond(second);
drawDot();
ctx.restore();
}
draw();
setInterval(draw,1000);
</script>
</body>
</html>
