1. buka http://developers.facebook.com/docs/reference/plugins/like/
2. isi kolom step yg seperti dibawah ini :
Step 1 - Get Like Button Code
3. Your Like Button plugin code:
- Include the JavaScript SDK on your page once, ideally right after the opening
<body>
tag. - Place the code for your plugin wherever you want the plugin to appear on your page.
copy kan kedua isi url tersebut ke gadget blog tambah html/javascript,,,simpan dan lihat hasilnya,,,,