JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

JavaScript

var  html = '<form><input type="text" name="a" value=""><input type="text" name="b" value=""></form>';

var obj = {'a':'cd','c':'123'};
var g = 'a';

$html = $(html);

$html.find(":input[type=text]").each(function(){
 var input = $(this);
   var input_name=input.attr('name');
    input.val(obj[g]);
})

$("div").append($html)