<script type="text/javascript">
var center = '56.964949, 60.623745';
var zoom = 12;
ymaps.ready(init);
function init() {
var myMap = new ymaps.Map("map", {
center: [center],
zoom: zoom,
});
var center = [56.964949, 60.623745]
...
center: center,
zoom: zoom
var center = '56.964949, 60.623745'
...
center: center.split(', ').map(parseFloat),
zoom: zoom