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js定位行

function reportError(sMessage, sUrl, sLine) {
            var str = "";
            str += " 错误信息:" + sMessage + "\n";
            str += " 错误地址:" + sUrl + "\n";
            str += " 错误行数:" + sLine + "\n";
            str += "<=========调用堆栈=========>\n";
            var func = window.onerror.caller;
            var index = 0;
            while (func != null) {
                //str += "第" + index + "个函数：" + func + "\n";
                //str += "第" + index + "个函数：参数表："
                //for(var i=0;i<func.arguments.count;i++)
                //str += func.arguments[i] + ",";
                //}
                str += func;
                str += "\n===================\n";
                func = func.caller;
                index++;
            }
            alert(str);
            return true;
        }
       
        window.onerror = reportError;

posted on 2011-07-18 11:33 强强 阅读(381) 评论(0)  编辑  收藏


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