Added basic jsdoc for the messages.js file

static/js/messages.js

@@ -1,6 +1,13 @@
 var callbacks = {}
 var callbacks_ids = 1;
 
+/**
+ * var sendMessage - Sends a message with arguments to the NaCl module
+ *
+ * @param  {String} method A named method
+ * @param  {(String|Array)} params An array of options or a signle string
+ * @return {void}        The NaCl module calls back trought the handleMessage method
+ */
 var sendMessage = function(method, params) {
     return new Promise(function(resolve, reject) {
         var id = callbacks_ids++;
@@ -14,6 +21,12 @@ var sendMessage = function(method, params) {
     });
 }
 
+/**
+ * handleMessage - Handles messages from the NaCl module
+ *
+ * @param  {Object} msg An object given by the NaCl module 
+ * @return {void}
+ */
 function handleMessage(msg) {
     if (msg.data.callbackId && callbacks[msg.data.callbackId]) {  // if it's a callback, treat it as such
         callbacks[msg.data.callbackId][msg.data.type](msg.data.ret);