JSFiddle - React, Tailwind, and code Playground
HTML
<script>
$(document).ready(function() {
$("#Button1").click(function(){
$.ajax({type: "POST",url: "web.aspx/funcion",data: '{}',contentType: "application/json; charset=utf-8"});
});
});
</script>
<input type="button" id="Button1" value="Pressssssssss"/>