JSFiddle - React, Tailwind, and code Playground
HTML
<div id="links">
<a href="http://www.google.es">Href</a><br>
<a href="javascript:void(0)" onclick="$('#paypal_payment_form').submit();">OnClick</a>
</div>
<div id="console"></div>
JavaScript
allowPaymentSubmit = false;
$(document).on('click', '#links a', function(event){
$('#console').append('clicked<br>');
var el = $(this);
if(!allowPaymentSubmit) {
event.preventDefault();
//My Ajax call logic
//On ajax success set to true and trigger click
allowPaymentSubmit = true;
el.trigger('click');
}
});