JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li> <input value="1" name="bla[]" /> </li>
    <li> <input value="2" name="bla[]" /> </li>
    <li> <input value="3" name="bla[]" /> </li>
</ul>

JavaScript

var arr = ['3', '1', '2'];
$("ul li input").val(function(i) {
    return arr[i];
});