Object.keys gets the keys from the object, then you can filter the keys based on the values
var obj = {1001: true, 1002: false};
var keys = Object.keys(obj);
var filtered = keys.filter(function(key) {
return obj[key]
});
FIDDLE
Object.keys gets the keys from the object, then you can filter the keys based on the values
var obj = {1001: true, 1002: false};
var keys = Object.keys(obj);
var filtered = keys.filter(function(key) {
return obj[key]
});
FIDDLE