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Members
columnIndex :number
Optional property indicating the index of the column this SortDescriptor describes how to sort. If this property
is not a positive number, it will be assumed this SortDescriptor describes how to sort entire rows.
Type:
- number
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Methods
compare(itemA, itemB) → {number}
Callback comparator function that compares one cell or row to another. If SortDescriptor#columnIndex is defined, and
a postiive number, HTMLTableCellElements in the approprite position within the rows being compared will be passed to this
function corresponding to this SortDescriptor's SortDescriptor#columnIndex property, otherwise the HTMLTableRowElements
undergoing comparison will be passed.
If this function returns a value greater than 0, the relevant row corresponding to the first given item will be sorted below the second, if a value less than 0, the first will be sorted above the second, and if 0, no preference will be applied.
Parameters:
| Name | Type | Description |
|---|---|---|
itemA |
HTMLCellElement | HTMLTableRowElement | Reference cell or row. |
itemB |
HTMLCellElement | HTMLTableRowElement | Compare cell or row. |
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Returns:
A value greater than 0 if itemA should be sorted below itemB, less than 0 for above, 0 for no preference.
- Type
- number