获得当前日期

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>获得当前日期</title>

<script type="text/javascript">
function getCurrentDate(){
var tick = new Date();
var years = tick.getYear();
var months = tick.getMonth() < 9 ? '0' + (tick.getMonth()+1) : tick.getMonth()+1;
var days = tick.getDate() < 10 ? '0' + tick.getDate() : tick.getDate();

var weekName = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
var weekIndex = tick.getDay();

var currentDate = years+ "-" + months +"-"+ days+ " "+ weekName[weekIndex] ;

return currentDate;
}

 

function test(){
document.getElementsByName("currentDate")[0].value = getCurrentDate();
}
</script>
</head>

<body>
<input type="text" name="currentDate" size="30">
<input type="button" value="获得当前日期" onclick="test()" >
</body>
</html>