JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.0.5/handlebars.js"></script>
<div id="output"></div>
<script type="template/handlebars" id="template">
	-------------------------<br/>
	--OBJECT-----------------<br/>
  -------------------------<br/>
	{{#each this.data}}
  
  	<br/>Unless Version:<br/>
  	{{#unless (lookup ../dontDisplay @key) }}
			{{#if ..}}
			{{else}}
        !!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!<br/>
			{{/if}}
  		{{../path}}.{{@key}}: {{.}}
      <br/>&nbsp;&nbsp;&nbsp;&nbsp;this:{{.}}
      <br/>&nbsp;&nbsp;&nbsp;&nbsp;parent:{{..}}
      <br/>
      {{else}}
      	{{#if ..}}
        {{else}}
          !!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!<br/>
        {{/if}}
      	&nbsp;&nbsp;&nbsp;&nbsp;{{../path}}.{{@key}}: --Property Skipped Correctly--<br/>
    {{/unless}}
    
    <br/>If/Else Version:<br/>
  	{{#if (lookup ../dontDisplay @key) }}
			{{#if ..}}
			{{else}}
        !!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!<br/>
			{{/if}}
  		{{../path}}.{{@key}}: {{.}}
      <br/>&nbsp;&nbsp;&nbsp;&nbsp;this:{{.}}
      <br/>&nbsp;&nbsp;&nbsp;&nbsp;parent:{{..}}
      <br/>
      {{else}}
      	{{#if ..}}
        {{else}}
          !!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!!FAIL!!<br/>
        {{/if}}
      	&nbsp;&nbsp;&nbsp;&nbsp;{{../path}}.{{@key}}: --Property Skipped Correctly--<br/>
    {{/if}}
    
    <br/>Regular Version:<br/>
    {{../path}}.{{@key}}: {{.}}
    <br/>&nbsp;&nbsp;&nbsp;&nbsp;this:{{.}}
    <br/>&nbsp;&nbsp;&nbsp;&nbsp;parent:{{..}}
    <br/><br/>
    ---
    <br/>
    
  {{/each}}

	<br/>
	-------------------------<br/>
	--ARRAY-----------------<br/>
  -------------------------<br/>
  {{#each this.data2}}
  	<br/>Unless Version:<br/>
  	{{#unless (lookup ../dontDisplay @key) }}
			{{#if ..}}
			{{else}}
       ...

JavaScript

var template = Handlebars.compile(document.getElementById('template').innerHTML);

document.getElementById('output').innerHTML = template(
	{
  	path: "rootObject",
  	data:
    {
      asfd:1,qwer:"qwer", zxcv: null, rewq:null
    }
    ,data2:[1,"qwer", null, null]
    ,dontDisplay:
    {
    	//asfd:1,
      qwer:true
      ,1:true
      ,rewq:true
      ,3:true
    }
  }
	
);