Like all posts on page at vk.com

like_all_on_page.js

// Better to execute this in Google Chrome
// 0. Go to vk.com on page where you would like to like all posts
// 1. Right click on any place of page
// 2. Inspect Element
// 3. In opened panel - choose "console" tab
// 4. Copy-paste code you se below and hit "Enter" key
(function(){
  var newscript = document.createElement('script');
     newscript.type = 'text/javascript';
     newscript.async = true;
     newscript.src = 'https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js';
  (document.getElementsByTagName('head')[0]||document.getElementsByTagName('body')[0]).appendChild(newscript);
})();

$('.post_like_icon').each(function(){
   if(!$(this).hasClass('my_like')){
      $(this).click();
   }
});