Javascript try catch finally

try {

    //do somethings        

}

catch (ex) {   

    this.exception(ex);

}

function exception(ex) {

    console.log("@大哥 ，发现异常信息,开始记录...");

    console.log("异常类型：" + ex.name);

    console.log("异常信息：" + ex.message);

    console.log("行号：" + ex.lineNumber);

    console.log("文件名：" + ex.fileName);

    //console.log("堆栈：" + ex.stack);

    console.log("异常记录完成...@大哥，快来看啊！");

}