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我想要做的是在week1中選擇datepicker的日期，然後調用函數mydateset（wk）在week2輸入中設置日期加上7天。Setdate英特爾XDK bootstrap3輸入類型日期
我的代碼：
功能mydateset（周）{ 如果（WK == 'week1'）{ 變種TT =的document.getElementById（ 'week1'）值; window.alert（「tt is =」+ tt）; } var ndate = new Date（tt）; window.alert（「date is =」+ ndate）; var newdate = new Date（ndate）; window.alert（「newdate is =」+ newdate）; newdate.setDate（newdate.getDate（）+ 8）; var dd = newdate.getDate（）; var mm = newdate.getMonth（）+ 1; var y = newdate.getFullYear（）; var someFormattedDate = dd +'/'+ mm +'/'+ y; window.alert（ 「（新日爲=」 + someFormattedDate）; //document.getElementById('week2').value = someFormattedDate; $（ '＃week2'）VAL（someFormattedDate）; }