diff --git a/web_src/js/markup/codecopy.ts b/web_src/js/markup/codecopy.ts
index 0dc5e40368..3ab14471e0 100644
--- a/web_src/js/markup/codecopy.ts
+++ b/web_src/js/markup/codecopy.ts
@@ -8,11 +8,13 @@ export function makeCodeCopyButton(): HTMLButtonElement {
 }
 
 export function initMarkupCodeCopy(elMarkup: HTMLElement): void {
-  const el = elMarkup.querySelector('.code-wrapper'); // .markup .code-block code
-  if (!el || !el.textContent) return;
+  const els = elMarkup.querySelectorAll('.code-wrapper'); // .markup .code-block code
 
-  const btn = makeCodeCopyButton();
-  // remove final trailing newline introduced during HTML rendering
-  btn.setAttribute('data-clipboard-text', el.textContent.replace(/\r?\n$/, ''));
-  el.append(btn);
+  for (const el of els) {
+    if (!el || !el.textContent) return;
+    const btn = makeCodeCopyButton();
+    // remove final trailing newline introduced during HTML rendering
+    btn.setAttribute('data-clipboard-text', el.textContent.replace(/\r?\n$/, ''));
+    el.append(btn);
+  }
 }