don't check preventDefault()

2 files changed, 3 insertions, 6 deletions

diff --git a/web/share/js/kvm/keyboard.js b/web/share/js/kvm/keyboard.js
index 7f4c4f84..aff2b700 100644
--- a/web/share/js/kvm/keyboard.js
+++ b/web/share/js/kvm/keyboard.js
@@ -123,9 +123,7 @@ export function Keyboard(__recordWsEvent) {
 	};
 
 	var __keyboardHandler = function(event, state) {
-		if (event.preventDefault) {
-			event.preventDefault();
-		}
+		event.preventDefault();
 		__keypad.emitByKeyEvent(event, state);
 	};
 
diff --git a/web/share/js/kvm/mouse.js b/web/share/js/kvm/mouse.js
index faacdb3e..894d64cf 100644
--- a/web/share/js/kvm/mouse.js
+++ b/web/share/js/kvm/mouse.js
@@ -247,9 +247,8 @@ export function Mouse(__getGeometry, __recordWsEvent) {
 	var __streamWheelHandler = function(event) {
 		// https://learn.javascript.ru/mousewheel
 		// https://stackoverflow.com/a/24595588
-		if (event.preventDefault) {
-			event.preventDefault();
-		}
+
+		event.preventDefault();
 
 		if (!__absolute && !__isRelativeCaptured()) {
 			return;