diff --git a/www/assets/js/Enums.js b/www/assets/js/Enums.js
index f7aaccf..ad1602f 100644
--- a/www/assets/js/Enums.js
+++ b/www/assets/js/Enums.js
@@ -221,6 +221,7 @@ const Action = {
     MOVE_BACK: 'back',
     MOVE_RIGHT: 'right',
     JUMP: 'jump',
+    JUMP_THROW: 'jump_throw',
     CROUCH: 'crouch',
     WALK: 'walk',
     RELOAD: 'reload',
diff --git a/www/assets/js/PlayerAction.js b/www/assets/js/PlayerAction.js
index d20d95a..6cfc49d 100644
--- a/www/assets/js/PlayerAction.js
+++ b/www/assets/js/PlayerAction.js
@@ -1,4 +1,4 @@
-import {Action, InventorySlot} from "./Enums.js";
+import {Action, GrenadeSlots, InventorySlot} from "./Enums.js";
 
 export class PlayerAction {
     #game
@@ -70,6 +70,12 @@ export class PlayerAction {
         this.#actionCallback[Action.MOVE_RIGHT] = (enabled) => this.#states.moveRight = enabled
         this.#actionCallback[Action.USE] = (enabled) => this.#states.use = enabled
         this.#actionCallback[Action.JUMP] = (enabled) => enabled && (this.#states.jumping = true)
+        this.#actionCallback[Action.JUMP_THROW] = (enabled) => {
+            if (enabled && GrenadeSlots.includes(game.playerMe.getEquippedSlotId())) {
+                this.#states.jumping = true
+                this.attack(game.getPlayerMeRotation())
+            }
+        }
         this.#actionCallback[Action.CROUCH] = (enabled) => enabled ? this.#states.crouching = true : this.#states.standing = true
         this.#actionCallback[Action.WALK] = (enabled) => enabled ? this.#states.shifting = true : this.#states.running = true
         this.#actionCallback[Action.DROP] = (enabled) => enabled && (this.#states.drop = true)
diff --git a/www/assets/js/Setting.js b/www/assets/js/Setting.js
index 74ede7d..a6c1e54 100644
--- a/www/assets/js/Setting.js
+++ b/www/assets/js/Setting.js
@@ -45,6 +45,7 @@ export class Setting {
             'KeyV': Action.EQUIP_KNIFE,
             'KeyT': Action.DROP_BOMB,
             'KeyH': Action.SWITCH_HANDS,
+            'KeyJ': Action.JUMP_THROW,
             'Digit1': Action.EQUIP_PRIMARY,
             'Digit2': Action.EQUIP_SECONDARY,
             'Digit3': Action.EQUIP_KNIFE,