fb share callback needs fb login - user's approval
function ClickFBLike() { FB.login(function(response) { console.log('FB.login response', response); FB.ui({ method: 'share', href: 'http://youdomain.com/?ppp=test', caption: 'title....', }, function(response){ if (response && !response.error_code) { console.log('success!!'); } else { console.log('cancelation!!'); } }); }); }