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window.onload = function(){ onerror=handleErr11111111; var txt=""; function handleErr11111111(msg,url,l){ txt="本页中存在错误。\n\n" txt+="错误:" + msg + "\n" // txt+="URL: " + url + "\n" txt+="行:" + l + "\n\n" txt+="点击“确定”继续。\n\n" alert(txt) return true } // f243 var box = documnt.getElementByd('boxx'); alert(box) }
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原文地址:http://blog.csdn.net/gaga06/article/details/44497145