JSFiddle - React, Tailwind, and code Playground

HTML

processed:<div id='mything'></div>

JavaScript

myvariable = [{"id":"15aea3fa","firstname":"John","lastname":"Doe"}];
alert(myvariable[0].id);
$('#mything').text('id:'+myvariable[0].id+' name:'+myvariable[0].firstname+' '+myvariable[0].lastname);