JSFiddle - React, Tailwind, and code Playground
by Jim_Toth
HTML
<input type="file" onchange="reader(this)">
<br>
<textarea id="text" rows="10" cols="50"></textarea>
JavaScript
function reader(input){
var read = new FileReader();
read.onload = function(e){
$('#text').val(e.target.result);
}
read.readAsText(input.files[0]);
}