click_confirm

Confirm if you want to follow certain links.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        click_confirm
// @namespace   links
// @description Confirm if you want to follow certain links.
// @include     *
// @version     1
// @grant       none
// ==/UserScript==

// here's the message that will popup asking if you really want to go there
var que = 'You clicked on a link to a stupid site. \nDo you really want to go there?'
// gets all links on the page
var links = document.getElementsByTagName('a');

// iterate through links on the page
for (var i = 0; i < links.length; i++) {
    var link = links[i];
// if site1 OR site2 OR etc., you can also use fancier regex if you only want to avoid certain parts of the site
    if (
        (/dailykos/.test(link.href))
        || (/democraticunderground/.test(link.href))
//        || (/insertregexhere/.test(link.href))
       ) {
        link.addEventListener('click', function(clk) {
            var b = confirm(que);
// if the link matches one of the regex strings above
            if (b==true) {/* do nothing, i.e., follow the link */}
            else {
                clk.preventDefault(/* prevent your click from opening the link */);
            }
        }, false);
    }
}