摘要: var fileName = "www.aaa.com/index.html"; 方法1 var fileExtension = fileName.substring(fileName.lastIndexOf('.') + 1); 方法2 var fileExtension =fileName.su 阅读全文
posted @ 2022-01-13 16:11 寒冷的雨呢 阅读(1595) 评论(0) 推荐(0) 编辑