E kiʻi i ka helu laina o ke code e hoʻokō nei i kēia manawa ma JavaScript

Kākauʻōlelo

E kiʻi i ka helu laina

ʻAʻole hāʻawi pololei ʻo JavaScript i kahi hana e kiʻi i ka helu laina, akā hiki iā mākou ke ʻike ke hele hewa ke code, hiki iā mākou ke ʻike i ka leka kikoʻī kikoʻī i loko o ka console. E loaʻa i ka stack message message ka hana kelepona kikoʻī a me ka ʻike wahi o ka faile. Me kēia hiʻohiʻona, hiki iā mākou ke kākau i kahi hana, instantiate i kahi mea hemahema i ka hana, a loaʻa i ka helu o ka mea e kelepona ana ma o ka ʻike stack.

            function getRowNum() {
    let e = new Error();
    e = e.stack.split("\n")[2].split(":");
    e.pop();
    return e.pop();
}