From 5420b79421960ed9c23944bc2d828569446da172 Mon Sep 17 00:00:00 2001
From: joyqat <joyqat@users.noreply.github.com>
Date: Fri, 7 Aug 2020 16:53:36 +0800
Subject: [PATCH] fix: multiple has-jax in classlist

---
 layouts/partials/script/single-script.html | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/layouts/partials/script/single-script.html b/layouts/partials/script/single-script.html
index 407e1e4..ab5ec91 100644
--- a/layouts/partials/script/single-script.html
+++ b/layouts/partials/script/single-script.html
@@ -498,7 +498,9 @@
 
     // ============================ mathjax ============================
     document.querySelectorAll("mjx-container").forEach(function (x) {
-      x.parentElement.classList += 'has-jax'
+      if(!x.parentElement.classList.contains('has-jax')) {
+        x.parentElement.classList += 'has-jax';
+      }
     });
     // =================================================================