var sum = 0; $(\'.table-hover tr.ng-scope\').each(function(){ sum = sum + parseInt($(this).children()[3].outerText) }); console.log(sum) 相关文章: 2021-08-05 2021-08-19 2021-09-06 2021-05-07 2021-08-20 2021-08-26 2021-08-08 2021-11-26