JSFiddle - React, Tailwind, and code Playground

by Sergei Sokolov

HTML

<a href="//ya.ru" class="notsofast" target="_blank">Click me</a><br/>
<a href="//google.com" class="notsofast" target="_blank">Click me</a><br/>
<a href="//rbc.ru" class="notsofast" target="_blank">Click me</a><br/>

JavaScript

/**
 * для вопроса https://toster.ru/q/299751
 */
var used=[];
function checkIt(e){
  if( !~used.indexOf( this)) used.push( this), e.preventDefault();
}
$('.notsofast').on('click',checkIt);