Time to load third-party processing module ( Moment ) as an example:
A load
npm install moment
Second, the use Description
1, click to enter the official website npm https://www.npmjs.com/
2, searching moment, details page click into the moment,
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3 Click Documentation using the document into the moment
Third, actual, some of which
const moment = require('moment');
data_arr[i].mtime = moment(files.mtime).format('YYYY/MM/DD hh:mm:ss');