diff --git a/src/webview/js/js.js b/src/webview/js/js.js
index 1b60d9bfe43..7d800327e67 100644
--- a/src/webview/js/js.js
+++ b/src/webview/js/js.js
@@ -94,7 +94,7 @@ const getMessageNode = (node: Element): Element => {
   return curNode;
 };
 
-const getMessageIdFromNode = (node: Node): number => {
+const getMessageIdFromNode = (node: Element): number => {
   const msgNode = getMessageNode(node);
   return msgNode ? +msgNode.getAttribute('data-msg-id') : -1;
 };
@@ -309,7 +309,7 @@ document.addEventListener('message', e => {
   scrollEventsDisabled = false;
 });
 
-documentBody.addEventListener('click', e => {
+documentBody.addEventListener('click', (e: any) => {
   e.preventDefault();
   lastTouchEventTimestamp = 0;
 
@@ -400,7 +400,7 @@ const handleLongPress = e => {
   });
 };
 
-documentBody.addEventListener('touchstart', e => {
+documentBody.addEventListener('touchstart', (e: TouchEvent) => {
   if (e.changedTouches[0].pageX < 20) {
     return;
   }
@@ -411,7 +411,7 @@ documentBody.addEventListener('touchstart', e => {
   setTimeout(() => handleLongPress(e), 500);
 });
 
-documentBody.addEventListener('touchend', e => {
+documentBody.addEventListener('touchend', (e: TouchEvent) => {
   if (
     isNearPositions(
       lastTouchPositionX,
@@ -424,11 +424,11 @@ documentBody.addEventListener('touchend', e => {
   }
 });
 
-documentBody.addEventListener('touchmove', e => {
+documentBody.addEventListener('touchmove', (e: TouchEvent) => {
   lastTouchEventTimestamp = 0;
 });
 
-documentBody.addEventListener('drag', e => {
+documentBody.addEventListener('drag', (e: DragEvent) => {
   lastTouchEventTimestamp = 0;
 });