摘要: <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <script > var x=12345.6789; x.toString(); //返回字符串值, //它包含已被四舍五入并使用 阅读全文
posted @ 2022-03-07 18:57 lwx_R 阅读(34) 评论(0) 推荐(0) 编辑