javaScript内置类Date,Math等

<!DOCTYPE html>

<head>

<title>javascript时间</title>

</head>

<body>

</body>

function clock() {

var time = new Date();

var y = time.getFullYear();//年

var m = time.getMonth() + 1; //月从0开始

var day = time.getDay();//日

var week = time.getDay();//星期几从0开始，星期日是0

var h = time.getHours();//小时

var m = time.getMinutes();//分

var s = time.getSeconds();//秒

var ms = time.getMilliseconds();//毫秒

//alert(typeof day)

switch (week) {

case 0:

week = '星期日';

break;

case 1:

week = '星期一';

break;

case 2:

week = '星期二';

break;

case 3:

week = '星期三';

break;

case 4:

week = '星期四';

break;

case 5:

week = '星期五';

break;

case 6:

week = '星期六';

break

}

var str = '今天是' + y + '年' + m + '月' + day + '日' + week + h + '点' + m + '分' + s + '秒' + ms + '毫秒';

oDiv = document.getElementById('div1');

oDiv.style.fontSize = '24px';

oDiv.style.color = '#000';

oDiv.style.background = '#ccc';

oDiv.innerHTML = str

}

clock();

var timer = setInterval(clock, 1000);

//setInterval(clock, 1000);

oDiv.onclick = function () {

if (timer) {

clearInterval(timer)

timer = null;//停止的时候把timer清掉

} else {

clock();

timer = setInterval(clock, 1000)//运行的时候再把值赋给timer

}

</script>

</html>

巴特西

javaScript内置类Date,Math等

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