This plugin adds full screen editing capabilities to TinyMCE. When the toolbar button is pressed the editable area will fill the browser’s viewport. The plugin adds a toolbar button and a menu item Fullscreen
under the View
menu.
Type: String
tinymce.init({
selector: "textarea", // change this value according to your HTML
plugins: "fullscreen",
menubar: "view",
toolbar: "fullscreen"
});