Widget & Iframe
WidgetEmbed LikeCoin button using <iframe>
LikeCoin button is available as either an embedded page which can be used in an iframe, or a widget which can be used as a clickable link or popup.
Instructions
Construct an URL according to the following format:
Iframe base URL:
https://button.like.co/in/embed/{{LikerID}}/button?iscn_id={{iscn_id}}&referrer={{referrer}}&type={{type}}
Widget base URL:
https://button.like.co/in/like/{{LikerID}}?iscn_id={{iscn_id}}&referrer={{referrer}}&type={{type}}
Parameter
Type
Required?
Description
LikerID
string
required if using referrer, set to iscn if using iscn_id
The LikerID of the content author. Set to iscn if using iscn_id
iscn_id
string
either referrer or iscn_id is required
The ISCN ID of the content, overrides referrer
referrer
string
either referrer or iscn_id is required
The source (canonical) URL of the content in encodeURIComponent() format (this also works as the content key)
type
string
optional
wp for WordPress site, omit for the others
preview
number
optional
Set to 1 to set the button to preview mode. This stop the button from automatically calling like.co API. Useful for develop/staging environment e.g. to prevent leaking dev server's address.
For testing purpose, you may use
button.rinkeby.like.coinstead ofbutton.like.co
Example links:
In case of iframe sandbox,
allow-scripts,allow-same-origin,allow-popupsallow-popups-to-escape-sandbox,allow-top-navigation-by-user-activation,allow-storage-access-by-user-activationare needed for proper register/login functionality.
Extra feature for embedded Iframe
CSS Style
Embed the sample HTML and replace {{ src }} with the embed URL into your HTML, include the CSS code for recommended display style.
Update referrer via postMessage
The LikeCoin button <iframe>'s src (especially the referrer param) should be updated to when the URL is changed. In case updating <iframe>'s src is not possible (e.g. for some SPA usecases), you may call postMessage() to the <iframe> with following payload to update the referrer.
{
action: 'SET_REFERRER',
content: { referrer: `${ newReferrer||window.location.href }` }
}, 'https://button.like.co'Sample Repository
https://github.com/likecoin/LikeCoinButton-integration
Integration Examples
https://medium.com/likecoin/likecoin-button-%E6%95%B4%E5%90%88%E6%96%B9%E6%B3%95%E5%92%8C%E7%A4%BA%E7%AF%84-579045858eae (Chinese article)
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