add doc to base Cell

IPython/frontend/html/notebook/static/js/cell.js

@@ -52,9 +52,9 var IPython = (function (IPython) {
 
 
     /**
-     * Empty. Subclasses must implement create_element.
-     * This should contain all the code to create the DOM element in notebook 
-     * and will be called by Base Class constructor.
+     * Subclasses can implement override bind_events.
+     * Be carefull to call the parent method when overwriting as it fires event.
+     * this will be triggerd after create_element in constructor.
      * @method bind_events
      */
     Cell.prototype.bind_events = function () {
@@ -72,6 +72,10 var IPython = (function (IPython) {
         });
     };
 
+    /**
+     * Triger typsetting of math by mathjax on current cell element
+     * @method typeset
+     */
     Cell.prototype.typeset = function () {
         if (window.MathJax){
             var cell_math = this.element.get(0);
@@ -79,12 +83,20 var IPython = (function (IPython) {
         }
     };
 
+    /**
+     * should be triggerd when cell is selected
+     * @method select
+     */
     Cell.prototype.select = function () {
         this.element.addClass('ui-widget-content ui-corner-all');
         this.selected = true;
     };
 
 
+    /**
+     * should be triggerd when cell is unselected
+     * @method unselect
+     */
     Cell.prototype.unselect = function () {
         this.element.removeClass('ui-widget-content ui-corner-all');
         this.selected = false;

IPython/frontend/html/notebook/static/js/textcell.js

@@ -23,6 +23,7 var IPython = (function (IPython) {
      *
      * @class TextCell
      * @constructor TextCell
+     * @extend Cell
      */
     var TextCell = function () {
         this.code_mirror_mode = this.code_mirror_mode || 'htmlmixed';