JSFiddle - React, Tailwind, and code Playground

by wrxsti85

HTML

<a href="http://jsfiddle.net/wrxsti85/QYCXq/1/">Home</a> <a href="http://google.com">Google</a>

JavaScript

var check = 0;

window.onbeforeunload = function(){    
    if(check == 0){
      return 'Are you sure you want to leave?';
    }    
};


$('a').click(function(){
    url = this.attr('href');
    
    check = 1;
    setTimeout(function(){
        check = 0;            
    }, 200);


});