JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>

JavaScript

var myArray = [];

for (var i = 0; i < 10000; i++) {
  myArray.push("number"+ i);
};

var asdf = JSON.stringify(myArray);
console.log(asdf.length);

$.ajax({	
		type: 'POST',
    url: '/echo/json',
    data: {
    	"stuff": myArray
    }
}).done(function(res){
	console.log("success");

}).fail(function(res){
	console.log("test failed")

});