title: What is "Escaped" & "Unescaped" output
body: <p>I'm not familiar with Javascript</p>
  
  <p>Learning template node.js template engine, it has "Escaped" &amp; "Unescaped" output</p>
  
  <p>What actually is "Escaped" &amp; "Unescaped" output?</p>
  
  <p>Is it like "include once" &amp; "include"?</p>
  
  <p>(Google giving no result about this)</p>