diff --git a/src/record/index.ts b/src/record/index.ts
index e62e95ea..3d1dd7fa 100644
--- a/src/record/index.ts
+++ b/src/record/index.ts
@@ -1,6 +1,12 @@
 import { snapshot } from 'rrweb-snapshot';
 import initObservers from './observer';
-import { mirror, on, getWindowWidth, getWindowHeight } from '../utils';
+import {
+  mirror,
+  on,
+  getWindowWidth,
+  getWindowHeight,
+  polyfill,
+} from '../utils';
 import {
   EventType,
   event,
@@ -49,6 +55,8 @@ function record(options: recordOptions = {}): listenerHandler | undefined {
     throw new Error('emit function is required');
   }
 
+  polyfill();
+
   let lastFullSnapshotEvent: eventWithTime;
   let incrementalSnapshotCount = 0;
   wrappedEmit = (e: eventWithTime, isCheckout?: boolean) => {
diff --git a/src/replay/index.ts b/src/replay/index.ts
index 09200f7f..2701f083 100644
--- a/src/replay/index.ts
+++ b/src/replay/index.ts
@@ -21,8 +21,8 @@ import {
   Handler,
   Emitter,
 } from '../types';
-import { mirror } from '../utils';
-import getInjectStyleRules  from './styles/inject-style';
+import { mirror, polyfill } from '../utils';
+import getInjectStyleRules from './styles/inject-style';
 import './styles/style.css';
 
 const SKIP_TIME_THRESHOLD = 10 * 1000;
@@ -78,6 +78,7 @@ export class Replayer {
 
     this.timer = new Timer(this.config);
     smoothscroll.polyfill();
+    polyfill();
     this.setupDom();
     this.emitter.on('resize', this.handleResize as Handler);
   }
@@ -288,7 +289,9 @@ export class Replayer {
     const styleEl = document.createElement('style');
     const { documentElement, head } = this.iframe.contentDocument!;
     documentElement!.insertBefore(styleEl, head);
-    const injectStylesRules = getInjectStyleRules(this.config.blockClass).concat(this.config.insertStyleRules);
+    const injectStylesRules = getInjectStyleRules(
+      this.config.blockClass,
+    ).concat(this.config.insertStyleRules);
     for (let idx = 0; idx < injectStylesRules.length; idx++) {
       (styleEl.sheet! as CSSStyleSheet).insertRule(injectStylesRules[idx], idx);
     }
diff --git a/src/utils.ts b/src/utils.ts
index 11b8daf5..fa96524e 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -163,3 +163,10 @@ export function isTouchEvent(
 ): event is TouchEvent {
   return Boolean((event as TouchEvent).changedTouches);
 }
+
+export function polyfill() {
+  if ('NodeList' in window && !NodeList.prototype.forEach) {
+    NodeList.prototype.forEach = (Array.prototype
+      .forEach as unknown) as NodeList['forEach'];
+  }
+}