javascript - 如何获取调用函数的行号？

Question

function eatSoup () {
    // Need line number of where I was called from. [in this case, line 6]
    var lineNumber = answerToThisQuestion();
}

function cookSoup () {
    eatSoup();
}

如果您需要更多说明，请询问。

Answer 1

您可以使用 console.trace(); 获取完整的堆栈跟踪。