JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdn.jsdelivr.net/handlebarsjs/4.0.3/handlebars.min.js"></script>
<script id="tmplStatus" type="text/x-handlebars">
    <ul>
        {{#each errors}}
            {{#if (referer this 'some message')}}
                <li>Status</li>
            {{else}}
                <li>{{this}}</li>
            {{/if}}
        {{/each}}
    </ul>
</script>

JavaScript

var errors = [
    'Where is pancakes house?',
    'some message',
    'One cent stamp'
];

Handlebars.registerHelper('referer', function(source, UK, options) 
{
    if(window.location.toString().indexOf("trailfinders.ie") > 0){
	var referer=".ie"
	var source = 'IE'
	alert(source);
  return false;
	
	}else{
	var referer=".com"
	var source = 'UK'
	alert(source);
  return true;
	}
  });

var tmplStatus = Handlebars.compile($('#tmplStatus').html()),
    domStatus = tmplStatus({ errors: errors });
$('body').append(domStatus);