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last.fm API bindings for JavaScript

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README.markdown

JavaScript last.fm API Readme

Overview

The JavaScript last.fm API allows you to call last.fm API methods and get the corresponding JSON responses. Basically it just acts as a wrapper that gives easy access to API methods. Responses can be cached using the localStorage API.

Encoding

You don't need to worry about encoding when calling API methods. Everything should automatically be UTF-8 encoded and decoded by your browser if you set the Content-Type for your document to UTF-8:

<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />

Authentication

It's easy to fetch a session for a user account. This allows you to perform actions on that account in a manner that is secure for last.fm users. All write services require authentication.

Write methods

Due to technical restrictions it's not possible to get a response when calling write methods. Reading responses is only possible using HTTP Access-Control, which is currently not supported by the last.fm API.

Submissions

Scrobbling is not yet supported.

Usage

You need to add the following scripts to your code in order to work with the JavaScript last.fm API:

If you want to use caching, you need to add another script:

<script type="text/javascript" src="lastfm.api.cache.js"></script>

Built in JSON support should be available in modern browsers, if you want to be sure it's supported, include the following:

<script type="text/javascript" src="json2.js"></script>

You can get that file at http://www.json.org/json2.js , and make sure you've removed the first line before using it.

Now you can use the JavaScript last.fm API like this:

/* Create a cache object */
var cache = new LastFMCache();

/* Create a LastFM object */
var lastfm = new LastFM({
  apiKey    : 'f21088bf9097b49ad4e7f487abab981e',
  apiSecret : '7ccaec2093e33cded282ec7bc81c6fca',
  cache     : cache
});

/* Load some artist info. */
lastfm.artist.getInfo({artist: 'The xx'}, {success: function(data){
  /* Use data. */
}, error: function(code, message){
  /* Show error message. */
}});

More

For further information, please visit the official API documentation: http://www.last.fm/api

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