From 675931aee9a3092503963d94a2c77281e00091ec Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Wed, 19 May 2021 13:20:45 +0200 Subject: [PATCH] Add documentation for hasClass function --- src/librustdoc/html/static/storage.js | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/librustdoc/html/static/storage.js b/src/librustdoc/html/static/storage.js index 2eaa81a97d8c5..f26c676648398 100644 --- a/src/librustdoc/html/static/storage.js +++ b/src/librustdoc/html/static/storage.js @@ -34,6 +34,9 @@ var localStoredTheme = getSettingValue("theme"); var savedHref = []; +// /!\ IMPORTANT /!\ +// +// If `elem` doesn't exist, it'll return `null`, so be careful if you're using `!hasClass`. // eslint-disable-next-line no-unused-vars function hasClass(elem, className) { return elem && elem.classList && elem.classList.contains(className);