A soundcloud track getter thingy

scloud_get.js

// Soundcloud stream thingy. For playlist, opens a prompt with the urls for the tracks
// in the playlist spearated by spaces. For songs, opens a prompt with the stream url.
// Create an applicaiton at soundcloud.com and chuck your client id in there.

var cid = "";
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
        var data = JSON.parse(xmlhttp.responseText);
        if (data.kind == "track") {
            prompt("Track url:", data.stream_url + "?client_id=" + cid)
        } else if (data.kind == "playlist") {
            var out = [];
            data.tracks.forEach(function(v) {
                out.push(v.permalink_url);
            });
            prompt("Playlist track urls:", out.join(" "));
        }
    }
};
if (window.location.href.indexOf("?") != -1) {
  var url = window.location.href.slice(0, window.location.href.indexOf("?"));
} else {
  var url = window.location.href;
}

xmlhttp.open("GET", "https://api.soundcloud.com/resolve?url=" + url + "&client_id=" + cid, true);
xmlhttp.send();

// bookmarklet
javascript:var cid="a5711d1dc681e9114660bbc0603eecaa",xmlhttp=new XMLHttpRequest;if(xmlhttp.onreadystatechange=function(){if(4==xmlhttp.readyState&&200==xmlhttp.status){var t=JSON.parse(xmlhttp.responseText);if("track"==t.kind)prompt("Track url:",t.stream_url+"?client_id="+cid);else if("playlist"==t.kind){var e=[];t.tracks.forEach(function(t){e.push(t.permalink_url)}),prompt("Playlist track urls:",e.join(" "))}}},-1!=window.location.href.indexOf("?"))var url=window.location.href.slice(0,window.location.href.indexOf("?"));else var url=window.location.href;xmlhttp.open("GET","https://api.soundcloud.com/resolve?url="+url+"&client_id="+cid,!0),xmlhttp.send();