javascript批量检查当图片不存在时则显示默认图片的代码 时间:2020-05-12 人气:2 这个是批量的检查，比较好的思路 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>在不存在图片时显示默认图片练习 by 阿会楠</title> <style type="text/css"> img{ border:1px solid #cccccc; width:100px; height:50px; } </style> </head> <body> <img onerror="javascript:this.src='/skin1/img/error.jpg';" src="https://img.qb5200.com/download-x/20200511/25843.jpg" /> <img onerror="javascript:this.src='/skin1/img/error.jpg';" src="https://img.qb5200.com/download-x/20200511/25844.jpg" /> <img onerror="javascript:this.src='/skin1/img/error.jpg';" src="https://img.qb5200.com/download-x/20200511/25845.jpg" /> <img onerror="javascript:this.src='/skin1/img/error.jpg';" src="https://img.qb5200.com/download-x/20200511/25846.jpg" /> </body> </html> <script type="text/javascript"> var imgs = document.images; for(var i = 0;i < imgs.length;i++){ imgs[i].onerror = function(){ this.src = "//www.qb5200.com/images/logo.gif"; } } </script> [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]用Javascript判断图片是否存在，不存在则显示默认图片的代码可以参考下面的 加载全部内容