1 window.onload = function(){ 2  3 function dwn(s){ 4 document.write(s+"<br />"); 5 } 6  7 var date = new Date(); 8  9 dwn(date);10 dwn(date.toString());11 dwn(date.toLocaleString());12 dwn(date.valueOf()); //显示毫秒数13 dwn(date.toDateString());14 dwn(date.toTimeString());15 dwn(date.toLocaleDateString());16 dwn(date.toLocaleTimeString());17 dwn(date.toUTCString());18 19 dwn(date.getFullYear()+"-"+(date.getMonth()+1)+"-"+date.getDate());20 dwn("星期"+date.getDay());21 dwn(date.getHours()+":"+date.getMinutes()+":"+date.getSeconds()+":"+date.getMilliseconds());22 23 24 function f1(){25 26 return function(){ //闭包是可以访问函数作用域里变量的函数27 return "这是一个闭包";28 }29 30 }31 32 }