Handlebars.js escaping example

example.js

var assert = require('assert');
var handlebars = require('handlebars');

handlebars.registerHelper('html_returning_helper', function () {
  return '<p>This is HTML</p>';
});

var template = handlebars.compile(`
{{#html_returning_helper}} {{/html_returning_helper}}
{{html_returning_helper}}
`);

var result = template({});

assert(result === `
<p>This is HTML</p>
&lt;p&gt;This is HTML&lt;/p&gt;
`);