判断两个时间是否超过90天

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// JS获取两个日期之间相差的天数 function getDaysBetween(dateString1, dateString2) {   var startDate = Date.parse(dateString1)   var endDate = Date.parse(dateString2)   var days = (endDate - startDate) / (1 * 24 * 60 * 60 * 1000)   // alert(days);   return days }<br><br>// 日期格式化 function formatDate(cellValue) {   if (cellValue === null || cellValue === '') return ''   var date = new Date(cellValue)   var year = date.getFullYear()   var month = date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1   var day = date.getDate() < 10 ? '0' + date.getDate() : date.getDate()     return year + '-' + month + '-' + day }