一丶获取两个时间的天数
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8" /> 5 <title></title> 6 <script type="text/javascript"> 7 var s1 = '2018-12-7'; 8 s1 = new Date(s1.replace(/-/g, "/")); 9 s2 = new Date();//当前日期：2017-04-24 10 var days = s2.getTime() - s1.getTime(); 11 var time = parseInt(days / (1000 * 60 * 60 * 24)); 12 document.write("日期为"+time); 13 </script> 14 </head> 15 <body> 16 17 </body> 18 </html>