diff --git a/files/en-us/web/api/document/anchors/index.md b/files/en-us/web/api/document/anchors/index.md
index 6221c4543abfb1c..576e7b3036199ca 100644
--- a/files/en-us/web/api/document/anchors/index.md
+++ b/files/en-us/web/api/document/anchors/index.md
@@ -21,7 +21,7 @@ An {{domxref("HTMLCollection")}}.
 
 ```js
 if (document.anchors.length >= 5) {
-  dump("found too many anchors");
+  console.log("found too many anchors");
 }
 ```
 
diff --git a/files/en-us/web/api/document_object_model/examples/index.md b/files/en-us/web/api/document_object_model/examples/index.md
index 5fec70d40b78b99..efa78b231712f17 100644
--- a/files/en-us/web/api/document_object_model/examples/index.md
+++ b/files/en-us/web/api/document_object_model/examples/index.md
@@ -159,7 +159,7 @@ const ss = document.styleSheets;
 
 for (let i = 0; i < ss.length; i++) {
   for (let j = 0; j < ss[i].cssRules.length; j++) {
-    dump(`${ss[i].cssRules[j].selectorText}\n`);
+    console.log(`${ss[i].cssRules[j].selectorText}\n`);
   }
 }
 ```
diff --git a/files/en-us/web/api/event/comparison_of_event_targets/index.md b/files/en-us/web/api/event/comparison_of_event_targets/index.md
index 1f240565a0870c0..fb012f3f4393ca0 100644
--- a/files/en-us/web/api/event/comparison_of_event_targets/index.md
+++ b/files/en-us/web/api/event/comparison_of_event_targets/index.md
@@ -193,8 +193,8 @@ The `relatedTarget` property for the `mouseover` event holds the node that the m
 ```xml
 <hbox id="outer">
   <hbox id="inner"
-        onmouseover="dump('mouseover ' + event.relatedTarget.id + ' > ' + event.target.id + '\n');"
-        onmouseout="dump('mouseout  ' + event.target.id + ' > ' + event.relatedTarget.id + '\n');"
+        onmouseover="console.log('mouseover ' + event.relatedTarget.id + ' > ' + event.target.id + '\n');"
+        onmouseout="console.log('mouseout  ' + event.target.id + ' > ' + event.relatedTarget.id + '\n');"
         style="margin: 100px; border: 10px solid black; width: 100px; height: 100px;" />
 </hbox>
 ```