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[英]Javascript/Jquery/Moment.js calculate the number of days between two dates
[英]javascript moment.js calculate percentage between two dates
我正在使用插件Moment.js,我有html
<div class="record-time pull-right" data-date="2013-09-22 20:16:39"
data-completion-date="2019-08-07 00:00:00">
</div>
並且我想計算從data-date attr到data-completion-date attr所經過的時間百分比,並且這些日期在firefox中不起作用,或者,但是在chrome中很好。
我可以使用以下時間從約會中抽出時間:
moment(new Date(record_time.attr('data-date'))).fromNow()
但它再次只適用於chrome,我在這里缺少什么? 日期是從mysql數據庫datetime字段中提取的。
我在Firefox中獲得'NaN'即ie
回答:
var record_time = $(this).find('.record-time');
var creation_date = $(this).find('.record-time').data('date');
var completion_date = $(this).find('.record-time').data('completion-date');
// get percentage completed (now - startDate) / (endDate - startDate)
now = moment();
startDate = moment(creation_date);
endDate = moment(completion_date);
var percentage_complete = (now - startDate) / (endDate - startDate) * 100;
var percentage_rounded = (Math.round(percentage_complete * 100) / 100);
// percentage rounded to 2 decimal points
// set the progress bar percentages
var record_progress = $(this).find('.bar');
record_progress.css('width', percentage_rounded+'%');
record_progress.html(percentage_rounded+'% - Completed');
適用於最新版本的Chrome,Firefox和IE
查看Date.parse規范,預期的日期字符串格式為RFC2822或ISO 8601.您的日期字符串既不是這些。
Date.parse("2013-09-22 20:16:39") -> NaN in FireFox
Date.parse("2013-09-22T19:16:39Z") -> 1379877399000 in FireFox
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