console
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<script>
var d = new Date();
document.write("今天是星期" + d.getDay()+"<br/>");
var myDay = d.getDate();
var myMonth = d.getMonth() + 1;
var myYear = d.getFullYear();
document.write("今天是" + myYear + "年" + myMonth + "月" + myDay + "日"+"<br/>");
var d = new Date();
var myHours = d.getHours();
var myMinutes = d.getMinutes();
var mySeconds = d.getSeconds();
var myMilliseconds=d.getMilliseconds();
document.write("当前时间是:" + myHours + ":" + myMinutes + ":" + mySeconds+":"+myMilliseconds+"<br/>");
var d = new Date();
d.setFullYear(2019, 06, 01);
d.setHours(12, 59);
d.setSeconds(59,99);
document.write("打印时间:<br/>" + d+"<br/>");
var str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
var arr = str.split("");
var result = "";
for(var i=0;i<4;i++)
{
var n = Math.floor(Math.random() * arr.length);
result += arr[n];
}
document.write("验证码为:"+result+ "<br/>");
var a = Math.max(3, 9, 12, 99, 45, 78);
var b = Math.min(3, 9, 12, 99, 45, 78);
document.write("最大值为:" + a + "<br/>");
document.write("最小值为:" + b+ "<br/>");
function getRandomColor() {
var X = Math.floor(Math.random() * (255 + 1));
var Y = Math.floor(Math.random() * (255 + 1));
var Z = Math.floor(Math.random() * (255 + 1));
var rgb = "rgb(" + X + "," + Y + "," + Z + ")";
return rgb;
}
document.write(getRandomColor());
</script>
</head>
<body>
</body>
</html>