js计算日期相差天数

var startDate = $("#startTime").val(); var endDate = $("#endTime").val(); startDate = Date.parse(startDate.replace('/-/g', '/')); endDate = Date.parse(endDate.replace('/-/g', '/')); var diffDate = (endDate - startDate) + 24 * 60 * 60 * 1000; var days = diffDate / (24 * 60 * 60 * 1000);