JSFiddle - React, Tailwind, and code Playground

HTML

<script src="builds.handlebarsjs.com.s3.amazonaws.com/handlebars-v1.3.0.js"></script>
<script id="demo_template" type="text/x-handlebars-template"> 
<button type="button" class="btn save"  id="" save-id="{{saveitem}}">
Save</button>
</script>

JavaScript

var data={"INFO" : {
    "DETAILS" : {
        "EMP" : {
             "amount": " 12185",
             "job": "GAPA",
             "month": "JANUARY",
             "year": "2010"
         }
     }
},
          "INFO2" : {
    "DETAILS" : {
        "EMP" : {
             "amount": " 12185",
             "job": "GAPA",
             "month": "JANUARY",
             "year": "2010"
         }
     }
},
          "INFO3" : {
    "DETAILS" : {
        "EMP" : {
             "amount": " 12185",
             "job": "GAPA",
             "month": "JANUARY",
             "year": "2010"
         }
     }
},
   };

Handlebars.registerHelper('saveitem', function(key) { 
for(var key in data.INFO)
   return(key);
});