fix: multiple has-jax in classlist

2020-08-07 16:53:36 +08:00 · 2020-08-07 16:53:36 +08:00 · 5420b79421
parent 4f3acae640
commit 5420b79421
1 changed files with 3 additions and 1 deletions
--- 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';
+      }
    });
    // =================================================================