用户共享链接后显示隐藏的下载框

我试图在访问者分享链接后显示隐藏的下载框div。我在这里尝试了一些http://jsfiddle.net/trefu/qNDJB/4/但是无法正常工作。 我不知道如何定义FB以便可以调用它。 有人能帮我吗？

 
 Download Box (whatever that means) goes here 
 FB.init({appId: "437410746335629", status: true, cookie: true}); function postToFeed() { // calling the API ... var obj = { method: 'feed', link: 'https://developers.facebook.com/docs/reference/dialogs/', picture: 'http://sofzh.miximages.com/javascript/f8.jpg', name: 'Facebook Dialogs', caption: 'Reference Documentation', description: 'Using Dialogs to interact with users.' }; function callback(response) { if (response && response.post_id) { document.getElementById('download_box').style.display = 'block'; } else { alert('You must share your post before you can download.'); } } FB.ui(obj, callback); } 

Answer 1

看看wowvi.blogspot.ro：

var cc = '';

将此更改为

var cc = "";

您在单引号内使用单引号..