<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>js判断图片是否存在</title> </head> <body> <script type="text/javascript"> var flag = false; try{ var img = new Image("d:/dffd.jpg"); img.load(function(){ }); }catch(e){ flag = true; } if(flag){ alert("不存在!"); } </script> </body> </html>
原文：https://www.cnblogs.com/JimmySeraph/p/11950907.html