diff --git a/demo/markdownlint-browser.js b/demo/markdownlint-browser.js
index 110292aa..480507e7 100644
--- a/demo/markdownlint-browser.js
+++ b/demo/markdownlint-browser.js
@@ -278,11 +278,11 @@ module.exports.unorderedListStyleFor = function unorderedListStyleFor(token) {
  * @returns {void}
  */
 function filterTokens(params, type, handler) {
-    params.tokens.forEach(function forToken(token) {
+    for (const token of params.tokens) {
         if (token.type === type) {
             handler(token);
         }
-    });
+    }
 }
 module.exports.filterTokens = filterTokens;
 /**
diff --git a/helpers/helpers.js b/helpers/helpers.js
index ba6a5c6d..a5540790 100644
--- a/helpers/helpers.js
+++ b/helpers/helpers.js
@@ -273,11 +273,11 @@ module.exports.unorderedListStyleFor = function unorderedListStyleFor(token) {
  * @returns {void}
  */
 function filterTokens(params, type, handler) {
-  params.tokens.forEach(function forToken(token) {
+  for (const token of params.tokens) {
     if (token.type === type) {
       handler(token);
     }
-  });
+  }
 }
 module.exports.filterTokens = filterTokens;