code to push a live tile in Windows 10

livetile.js

       if (typeof Windows !== 'undefined' &&
            typeof Windows.UI !== 'undefined' &&
            typeof Windows.UI.Notifications !== 'undefined') {
                
        // Construct the tile notification content
	var tileContent = new Windows.Data.Xml.Dom.XmlDocument();

	var tile = tileContent.createElement("tile");
	tileContent.appendChild(tile);

	var visual = tileContent.createElement("visual");
	tile.appendChild(visual);

	var bindingMedium = tileContent.createElement("binding");
	bindingMedium.setAttribute("template", "TileMedium");
	visual.appendChild(bindingMedium);

	var peekImage = tileContent.createElement("image");
	peekImage.setAttribute("placement", "peek");
	peekImage.setAttribute("src", "https://unsplash.it/150/150/?random");
	peekImage.setAttribute("alt", "Random demo image");
	bindingMedium.appendChild(peekImage);

	var text = tileContent.createElement("text");
	text.setAttribute("hint-wrap", "true");
	text.innerText = "Demo Message";
	bindingMedium.appendChild(text);

	// TODO: Add other tile size bindings, like Wide and Large

        // And send the tile notification to the primary tile
	var notifications = Windows.UI.Notifications;
	var tileNotification = new notifications.TileNotification(tileContent);
	notifications.TileUpdateManager.createTileUpdaterForApplication().update(tileNotification);
    }