diff --git a/public/index.js b/public/index.js
index 6581c50..bc2baab 100644
--- a/public/index.js
+++ b/public/index.js
@@ -1,3 +1,6 @@
+/**
+ * @param {number} duration 
+ */
 const Frame = function (duration) {
     this.layers = [];
     this.duration = duration;
@@ -18,6 +21,9 @@ COLOR_CLASS[LED_COLOR.RED] = 'led-red';
 COLOR_CLASS[LED_COLOR.GREEN] = 'led-green';
 COLOR_CLASS[LED_COLOR.BLUE] = 'led-blue';
 
+/**
+ * @param {string} id 
+ */
 const Selector = function (id) {
     this.items = [];
     this.currentItem = 0;
@@ -45,6 +51,9 @@ const Selector = function (id) {
 
     this.onSelect = function () {};
 
+    /**
+     * @param {number} index 
+     */
     this.selectItem = function (index) {
         this.htmlItems.hidden = true;
 
@@ -58,11 +67,20 @@ const Selector = function (id) {
     };
 }
 
+/**
+ * @param {number} width 
+ * @param {number} depth 
+ * @param {number} height 
+ */
 const FrameFactory = function (width, depth, height) {
     this.width = width;
     this.depth = depth;
     this.height = height;
 
+    /**
+     * @param {number} duration 
+     * @returns Frame
+     */
     this.getFrame = function (duration) {
         const frame = new Frame(duration);
         
@@ -80,6 +98,11 @@ const FrameFactory = function (width, depth, height) {
     }
 }
 
+/**
+ * @param {number} width 
+ * @param {number} depth 
+ * @param {number} height 
+ */
 const Cube = function (width, depth, height) {
     this.width = width;
     this.depth = depth;
@@ -92,26 +115,43 @@ const Cube = function (width, depth, height) {
         this._setupHtml();
     }
 
+    /**
+     * @param {number} frameIndex 
+     */
     this.setCurrentFrame = function (frameIndex) {
         this.currentFrame = frameIndex;
 
         this._loadFrame(frameIndex);
     }
 
+    /**
+     * @param {Frame} frame 
+     */
     this.addFrame = function (frame) {
         this.frames.push(frame);
     }
 
+    /**
+     * @param {number} frameIndex 
+     */
     this.deleteFrame = function (frameIndex) {
         this.frames = this.frames.slice(0, frameIndex).concat(
             this.frames.slice(frameIndex + 1)
         );
     }
 
+    /**
+     * @param {number} layerIndex 
+     * @param {number} ledIndex 
+     */
     this.switchLed = function (layerIndex, ledIndex) {
         this.frames[this.currentFrame].layers[layerIndex][ledIndex] = !this.frames[this.currentFrame].layers[layerIndex][ledIndex];
     }
 
+    /**
+     * @param {number} layerIndex 
+     * @param {boolean} state 
+     */
     this.setLayer = function (layerIndex, state) {
         for (let index = 0; index < this.width * this.depth; index++) {
             this.frames[this.currentFrame].layers[layerIndex][index] = state;
@@ -124,6 +164,9 @@ const Cube = function (width, depth, height) {
         }
     }
 
+    /**
+     * @param {LED_COLOR} color 
+     */
     this.setLedColor = function (color) {
         for (const layer of this.html.children) {
             for (const row of layer.children) {
@@ -138,6 +181,9 @@ const Cube = function (width, depth, height) {
         }
     }
 
+    /**
+     * @param {number} frameIndex 
+     */
     this._loadFrame = function (frameIndex) {
         for (let layer = 0; layer < this.frames[frameIndex].layers.length; layer++) {
             for (let row = 0; row < this.depth; row++) {
@@ -197,6 +243,10 @@ const Cube = function (width, depth, height) {
         }
     }
 
+    /**
+     * @param {HTMLElement} ledHtml 
+     * @param {boolean} state 
+     */
     this._setLed = function (ledHtml, state) {
         if (state) {
             ledHtml.classList.remove('led-off');
@@ -206,6 +256,9 @@ const Cube = function (width, depth, height) {
     }
 }
 
+/**
+ * @param {string} id 
+ */
 const FrameMenu = function (id) {
     this.html = document.getElementById(id);
     this.htmlSlider = this.html.querySelector('#frame-slider');
@@ -302,11 +355,17 @@ const FrameMenu = function (id) {
         }
     )
 
+    /**
+     * @param {number} frameIndex 
+     */
     this.slideToFrame = function (frameIndex) {
         this.htmlSlider.value = frameIndex + 1;
         this._updateFramePosition();
     }
 
+    /**
+     * @param {number} frameIndex 
+     */
     this.setDuration = function (duration) {
         this.htmlInputDuration.value = duration;
     }