1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset = "utf-8"> 5 <title></title> 6 </head> 7 <body> 8 <input type="text" id="txt1" value="2018-05-10"/> 9 <input type="text" id="txt2" value="2018-05-11"/> 10 <input type="button" id="btn" value="点击"> 11 </body> 12 13 <script type="text/javascript" src="jquery.js"></script> 14 <script type="text/javascript"> 15 16 $(document).ready(function() { 17 18 $("#btn").click(function(){ 19 20 var start=$("#txt1").val(); 21 var end=$("#txt2").val(); 22 23 start=start.replace(/-/g,"/"); 24 25 var startdate=new Date(start); 26 end=end.replace(/-/g,"/"); 27 var enddate=new Date(end); 28 29 var time=enddate.getTime()-startdate.getTime(); 30 var days=parseInt(time/(1000 * 60 * 60 * 24)); 31 }); 32 }); 33 </script> 34 </html>