attr( key, fn )
Sets title attribute from src attribute.
$("img").attr("title", function() { return this.src });
toggleClass( class )
$("p").toggleClass("selected")
Before
Hello Hello Again
After
Hello Hello Again[
get()
return an array that contains in jQuery object
get( num )
return an
html(), text() and val()
html(val), text(val) and val(val)
end()
Revert the most recent 'destructive' operation, changing the set of matched elements to its previous state (right before the destructive operation).
If there was no destructive operation before, an empty set is returned.
A 'destructive' operation is any operation that changes the set of matched jQuery elements. These functions are: add, children, clone, filter, find, not, next, parent, parents, prev and siblings.
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