[["55.7852","37.7155"],["55.7039","37.8454"],["55.7947","37.5919"]]
var array = [["55.7852","37.7155"],["55.7039","37.8454"],["55.7947","37.5919"]], ln = array.length;
for(var i = 0; i< ln; i++) {
var loc = array[i];
console.log(loc[0] + '||' + loc[1]);
}
var couples = [],
arr = [["55.7852","37.7155"],["55.7039","37.8454"],["55.7947","37.5919"]];
arr.forEach(function(x) {
var couple = [];
x.forEach(function(y) {
couple.push(parseFloat(y))
});
couples.push(couple);
});