< ! doctype html >
< html >
< head > < / head >
< body >
< canvas width="500" height="500" id="canvas" >
還在用低級瀏覽器嗎?趕緊換了吧,親。
< / canvas >
< script >
var canvas=document.getElementByIdx_x("canvas");
var cxt=canvas.getContext("2d");
function drawClock(){
cxt.clearRect(0,0,500,500);
var now=new Date();
var hour=now.getHours();
var min=now.getMinutes();
var sec=now.getSeconds();
hour=hour+min/60;
hour=hour>12?hour-12:hour;
//畫圓
cxt.beginPath();
cxt.lineWidth=5;
cxt.strokeStyle="blue";
cxt.arc(200,200,150,0,360,false);
cxt.stroke();
cxt.closePath();
< html >
< head > < / head >
< body >
< canvas width="500" height="500" id="canvas" >
還在用低級瀏覽器嗎?趕緊換了吧,親。
< / canvas >
< script >
var canvas=document.getElementByIdx_x("canvas");
var cxt=canvas.getContext("2d");
function drawClock(){
cxt.clearRect(0,0,500,500);
var now=new Date();
var hour=now.getHours();
var min=now.getMinutes();
var sec=now.getSeconds();
hour=hour+min/60;
hour=hour>12?hour-12:hour;
//畫圓
cxt.beginPath();
cxt.lineWidth=5;
cxt.strokeStyle="blue";
cxt.arc(200,200,150,0,360,false);
cxt.stroke();
cxt.closePath();