test(toc_helper): use classic for loop

hexojs · Nov 22, 2019 · 641dfd9 · 641dfd9
1 parent 7a4f797
commit 641dfd9
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/plugins/helper/toc.js b/lib/plugins/helper/toc.js
@@ -32,7 +32,9 @@ function tocHelper(str, options = {}) {
     return id || (parent.length < 1 ? null : getId(parent));
   }
 
-  for (const el of headings) {
+  const headingLen = headings.length;
+  for (let i = 0; i < headingLen; i++) {
+    const el = headings[i];
     const level = +el.name[1];
     const id = getId(el);
     const text = escapeHTML(DomUtils.getText(el));