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9 Answers. The problem occurs because AJAX is in its nature asynchronus. This means that the updateStatus() calls are indeed executed in order but returns immediatly and the JS interpreter reaches hideLoader() before any data is retreived from the AJAX requests.
The sort() method sorts the elements of an array. The sort order can be either alphabetic or numeric, and either ascending (up) or descending (down). By default, the sort() method sorts the values as strings in alphabetical and ascending order.