What is &nbsp in html?

    
        <p> Hello&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;World</p>

Rendres "Hello World".
As Non-breaking spaces are not collapsed when rendered by the browser on a webpage.
You'll have to change &NBSP to &nbsp.

    
        <p> Hello     World</p>

Renders "Hello World" on a webpage.

html5 1 non-breaking-space 1