[javascript] 格式化日期为yyyymmdd格式__js日期格式化yyyymmdd

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let year = t.getFullYear(); let month = t.getMonth()+ 1 ; month = month < 10 ? " 0 " + month : month; let day = t.getDate(); day = day < 10 ? " 0 " + day : day; console.log(year,month,day); res =year+ "" +month+ "" + day; return res; return "" ;