摘要: 1. eg: num = '1212121.645321'function format (num) { return (num.toFixed(2) + '').replace(/\d{1,3}(?=(\d{3})+(\.\d*)?$)/g, '$&,');} 2. eg: var str = " 阅读全文
posted @ 2020-09-28 11:11 孙三水ya 阅读(710) 评论(0) 推荐(0) 编辑