tinymce-docs-4x/plugins/visualchars.md

layout, title, title_nav, description, keywords, controls

layout	title	title_nav	description	keywords	controls
default	Visual Characters Plugin	Visual Characters	See invisible characters like non-breaking spaces.	visualchars	toolbar button, menu item

This plugin adds the ability for users to see invisible characters like   displayed in the editable area. It also adds a toolbar control and a menu item Show invisible characters under the View menu.

It's worth noting that at present the toolbar button icon is the same for both Visual Blocks and Visual Characters plugins.

Type: String

Example

tinymce.init({
  selector: "textarea",  // change this value according to your HTML
  plugins: "visualchars",
  menubar: "view",
  toolbar: "visualchars"
});