A JavaScript implementation for setting the time and validity period. When I implemented it using jQuery, I felt that the code was too succinct. This is a piece of js code written by a colleague. I studied and studied it myself
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> "2">Within three days span class ="postAction">Will expire after 2012-9-28 ;script type="text/javascript">
document.getElementById('date_sel').onchange = function(){ var time = new Date(); var pre_year = time.getFullYear(); var pre_month = time.getMonth (); var Pre_day = time.getdate (); var sel_Day = PARSEINT (document.getelementByid ('date_sel'). Value); : Pre_Day =1;break; case 1: pre_day =2;break; case 2: pre_day =3;break; case 3: pre_day =4;break; default:pre_day =1; break;} var endtime = new Date(pre_year, pre_month, pre_day); document.getElementById('lastdate').innerHTML = endtime.getFullYear() "-" (endtime.getMonth() 1) "-" endtime.getDate(); };