~/MagicMirror/modules/default/MMM-iFrame/MMM-iFrame .js

/* global Module */

/* Magic Mirror
 * Module: iFrame
 *
 * By Ben Williams http://desertblade.com
 * MIT Licensed.
 */

Module.register("MMM-iFrame",{
                // Default module config.
                defaults: {
                                height:"100px",
                                width:"100%",
                                updateInterval: 0.5 * 60 * 1000,
                                url: "http://www.naver.com",
                                scrolling: "no"
                },

        start: function () {
                self = this;
                var count = 0;
                if (this.config.url.length > 0 ) {
                      setInterval( function () {
                         self.updateDom(1000);
                         console.log('update' + count++)
                         }, this.config.updateInterval);
                }
        },
  getRandomInt: function (min, max) {
    return Math.floor(Math.random() * (max - min)) + min;
  },
resume: function() {
   console.log("Resuming");
   return this.getDom();
},

        // Override dom generator.
        getDom: function() {
                var iframe = document.createElement("IFRAME");
                iframe.style = "border:0"
                iframe.width = this.config.width;
                iframe.height = this.config.height;
                iframe.scrolling = this.config.scrolling;
                var url_index = 0;
         //       console.log("currentURL:" + this.currentURL);
                var repeat = true;
                while(repeat) {
                    url_index = this.getRandomInt(0,this.config.url.length);
                    futureURL = this.config.url[url_index];
                    console.log("URL_length:" + this.config.url.length + " " + "URL_index:" + url_index + " " + "url:" + futureURL);
           //         if( futureURL == currentURL) {
                        iframe.src = futureURL;
             //           currentURL = futureURL;
                        repeat = false;
               //     }
                }
                return iframe;
              }
});

~/MagicMirror/config/config.js

                        }
                },

{
                        module: "newsfeed",
                        position: "bottom_bar",
                        config: {
                                feeds: [
                                        {
                                                title: "New York Times",
                                                url: "http://www.nytimes.com/services/xml/rss/nyt/HomePage.xml"
                                        }
                                ],
                                showSourceTitle: true,
                                showPublishDate: true
                        }
                },
        {
                module: "MMM-iFrame",
                position: "middle_center",      // This can be any of the regions.
                config: {
                        // See 'Configuration options' for more information.
                                url: "http://www.naver.com",  // as many URLs you want or you can just ["ENTER IN URL"] if single URL.
                                updateInterval: 0.5 * 60 * 1000, // rotate URLs every 30 seconds
                                width: "100%", // Optional. Default: 100%
                                height: "100px" //Optional. Default: 100px
                        }

        },
        ]

};

/*************** DO NOT EDIT THE LINE BELOW ***************/
if (typeof module !== "undefined") {module.exports = config;}