用window.onerror捕获并上报Js错误

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script>
        window.onerror = function(errorMessage, scriptURI, lineNumber,columnNumber,errorObj) {
            alert("错误信息：" + errorMessage);

            alert("出错文件：" + scriptURI);
            alert("出错行号：" +lineNumber);
            alert("出错列号：" + columnNumber);
            alert("错误详情：" + errorObj);
        }
    </script>
</head>
<body>

<script >

    throw new Error("出错了！");
</script>

</body>
</html>