抛出异常时如何获得JavaScript堆栈跟踪

抛出异常时如何获得JavaScript堆栈跟踪

本文介绍了抛出异常时如何获得JavaScript堆栈跟踪?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

如果我自己抛出JavaScript异常(例如, throwAArrggg),我如何获得堆栈跟踪(在Firebug中或其他方式)?现在我收到消息。

If I throw a JavaScript exception myself (eg, throw "AArrggg"), how can I get the stack trace (in Firebug or otherwise)? Right now I just get the message.

编辑:下面有很多人发布了,有可能获得一个 JavaScript异常但我希望获得 my 异常的堆栈跟踪。例如:

edit: As many people below have posted, it is possible to get a stack trace for a JavaScript exception but I want to get a stack trace for my exceptions. For example:

function foo() {
    bar(2);
}
function bar(n) {
    if (n < 2)
        throw "Oh no! 'n' is too small!"
    bar(n-1);
}

foo 是调用,我想得到一个堆栈跟踪,其中包括对 foo bar 的调用bar

When foo is called, I want to get a stack trace which includes the calls to foo, bar, bar.

推荐答案

编辑2(2017):

在所有现代浏览器中,您只需调用: console.trace();

In all modern browsers you can simply call: console.trace(); (MDN Reference)

编辑1(2013):

原始问题的评论中指出的更好(和更简单)的解决方案是使用 stack 属性错误对象如下:

A better (and simpler) solution as pointed out in the comments on the original question is to use the stack property of an Error object like so:

function stackTrace() {
    var err = new Error();
    return err.stack;
}

这将产生如下输出:

DBX.Utils.stackTrace@http://localhost:49573/assets/js/scripts.js:44
DBX.Console.Debug@http://localhost:49573/assets/js/scripts.js:9
.success@http://localhost:49573/:462
x.Callbacks/c@http://localhost:49573/assets/js/jquery-1.10.2.min.js:4
x.Callbacks/p.fireWith@http://localhost:49573/assets/js/jquery-1.10.2.min.js:4
k@http://localhost:49573/assets/js/jquery-1.10.2.min.js:6
.send/r@http://localhost:49573/assets/js/jquery-1.10.2.min.js:6

给出名称调用函数以及URL,调用函数等。

Giving the name of the calling function along with the URL, its calling function, and so on.

原始(2009):

的修改版本可能会有所帮助:

A modified version of this snippet may somewhat help:

function stacktrace() {
  function st2(f) {
    return !f ? [] :
        st2(f.caller).concat([f.toString().split('(')[0].substring(9) + '(' + f.arguments.join(',') + ')']);
  }
  return st2(arguments.callee.caller);
}

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07-31 13:03