24 Дек 2012 .addBack() Add the previous set of elements on the stack to the current set, optionally filtered by a selector. jquery .addBack(), Miscellaneous Traversing, Version 1.8 0
24 Дек 2012 .add() Create a new jQuery object with elements added to the set of matched elements. jquery .add(), Miscellaneous Traversing, Version 1.0, Version 1.4 0
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