WYSIHTML5 Enhanced is inspired by the great work of James Hollingworth on bootstrap-wysihtml5. However to improve the image handling mechanism in both James' version and the original wysihtml5 editor, I decided to create my own version
WYSIHTML5 Enhanced differs from its ancestors in its support for adding image via drag-and-drop rather than a simple URL input. To that end, I assume you're going to use it with an ES5 compliant browser, with support for both Drag-and-Drop and FileReader APIs.
Somewhere in your code: