标签：class blog code java http com
JS记录错误日志/捕捉错误
//onerror提供异常信息，文件路径和发生错误代码的行数的三个参数。
window.onerror = function(e,url,index){ var msg = e.message || e|| "未知错误"; alert("错误信息："+msg+",错误路径："+ul+",行数："+index); }
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var
logger = (function(){ var
log = function(err){ var
img = new
Image(0,0); var
_url =[]; _url.push(‘name‘+‘=‘+encodeURIComponent(err.name)); _url.push(‘message‘+‘=‘+encodeURIComponent(err.message)); _url.push(‘location‘+‘=‘+encodeURIComponent(err.location)); if(err.line) _url.push(‘line‘+‘=‘+encodeURIComponent(err.line)); if(err.func) _url.push(‘func‘+‘=‘+encodeURIComponent(err.func)); var
url = _url.join(‘&‘); img.src = loghost+url; console.log(img.src); } return
{log:log};})();function
trapError(msg, URI, ln) { // wrap our unknown error condition in an object var
error = new
Error(msg); error.location = URI; // add custom property error.line = ln; logger.log(error); warnUser(); return
true; // stop the yellow triangle}window.onerror = trapError;function
foo() { try
{ riskyOperation(); } catch
(err) { // add custom property err.location = location.href; err.func = ‘foo‘; logger.log(err); warnUser(); }}function
warnUser() { alert("An error has occurred while processing this page.\ Our engineers have been alerted!"); // do something}foo(); |
标签：class blog code java http com
原文地址：http://www.cnblogs.com/sunshq/p/3781551.html
