vk.com music bookmarklets

alarm.js

// Alarm
var played = 0;
var time = prompt("Во сколько разбудить?", "6:55");
var waiting = setInterval(function() {
    if ((new Date()) > (new Date("May,05,2015,"+time)) && played == 0) { // it is time to awake?
        played = 1;
        document.getElementById('play72450163_91647005').click();
        clearInterval(waiting);
    }
}, 1000 * 60 * 3); // to check every 3 minutes

timer.js

// Lullaby
// run on page
// https://new.vk.com/audios72450163?q=snow 
// https://vk.com/audios72450163?q=snow

$ = (query) => document.querySelector(query);
is = (node, query) => node.classList.contains(query);

var timer = prompt("When the turn off?", 30);
var repeat = $('#ac_repeat') || $('._audio_page_player_repeat');
var play = $('#ac_play') || $('._audio_page_player_play');

// turn track repeat
if(!is(repeat, 'on') && !is(repeat, 'audio_page_player_btn_enabled')) {
    repeat.click();
}

// turn track
if(!is(play, 'audio_playing')) {
    $('#play_72450163_163994377').click();
}

// stop playing when timer expires
setTimeout(() => play.click(), 1000 * 60 * timer);