I'm trying to sort an object by its property names. As I understand it,
iterating over an object using for...in or using Hash.each() (or
Hash.sortBy()) does not guarantee the order of the properties.
Is there an easy and low-overhead way to guarantee order? Or would I
need to have some type of collection object that uses arrays instead of
the property-value configuration that Hash uses?
Here is an example object similar to the one I want to sort:
var foodsByLetter = {
'B': ['broccoli', 'bread'],
'C': ['carrots', 'celery'],
'A': ['alfalfa sprouts', 'apple']
};
Then I want to sort by the object's keys so I can create a nested list:
<ul>
<li>A<ul><li>alfalfa sprouts</li><li>apple</li></ul></li>
<li>B<ul><li>broccoli</li><li>bread</li></ul></li>
<li>C<ul><li>carrots</li><li>celery</li></ul></li>
</ul>
So for example, I could do $H(foodsByLetter).keys().sort(); to sort the
keys alphabetically but then I wouldn't know which letter related to
which food list.
Any help is appreciated.
-- Ken Snyder
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