JSFiddle - React, Tailwind, and code Playground

HTML

<input id="test" type="text">
    
<input type="button" id="foo" value="press me">

JavaScript

$(function(){
    
    $.fn.fullHTML = function(){
        var $this = $(this);
        
        return $('<div>')  
                       .append($this.clone())
                       .remove()
                       .html()
                       .replace('<input ','<input value="'+ $this.val() +'" ');
    };
    
    
    $("#foo").click(function(){
        alert ( $("#test").fullHTML() );
    });
});