今天往后的日子，你能倒退几天算作长尾词呢？
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本文共计140个文字，预计阅读时间需要1分钟。
javascriptfunction countDays(days) { if (days==='' || days===null || days===undefined || typeof days !=='number') { return false; } var res=[]; // 返回数据 var today=new Date(); var targetDate=new Date(today); targetDate.setDate(today.getDate() - days); while (targetDate >=today) { res.push(targetDate.toISOString().split('T')[0]); targetDate.setDate(targetDate.getDate() - 1); } return res;}
/** * @param {number} days - 要倒退的天数 * @returns {array} */ function countDays (days) { if(days == '' || days == null || days == undefined || typeof days != "number"){ return false; } var res = [];//返回数据 var today = new Date().getTime();//今天 for(var i = 0; i < days; i++){ var _day = new Date(today - 86400000 * i), year = _day.getFullYear(), month = (_day.getMonth() + 1), day = _day.getDate(); month = month < 10 ? '0' + month : month; day = day < 10 ? '0' + day : day; res.push( year + '-' + month + '-' + day); } return res; }
本文共计140个文字，预计阅读时间需要1分钟。
javascriptfunction countDays(days) { if (days==='' || days===null || days===undefined || typeof days !=='number') { return false; } var res=[]; // 返回数据 var today=new Date(); var targetDate=new Date(today); targetDate.setDate(today.getDate() - days); while (targetDate >=today) { res.push(targetDate.toISOString().split('T')[0]); targetDate.setDate(targetDate.getDate() - 1); } return res;}
/** * @param {number} days - 要倒退的天数 * @returns {array} */ function countDays (days) { if(days == '' || days == null || days == undefined || typeof days != "number"){ return false; } var res = [];//返回数据 var today = new Date().getTime();//今天 for(var i = 0; i < days; i++){ var _day = new Date(today - 86400000 * i), year = _day.getFullYear(), month = (_day.getMonth() + 1), day = _day.getDate(); month = month < 10 ? '0' + month : month; day = day < 10 ? '0' + day : day; res.push( year + '-' + month + '-' + day); } return res; }