partial_.partial(function, *arguments)
Partially apply a function by filling in any number of its arguments, without changing its dynamic this value. A close cousin of bind. You may pass _ in your list of arguments to specify an argument that should not be pre-filled, but left open to supply at call-time.
1 2 3 4 5 6 7 8 9 | var subtract = function(a, b) { return b - a; };sub5 = _.partial(subtract, 5);sub5(20);=> 15// Using a placeholdersubFrom20 = _.partial(subtract, _, 20);subFrom20(5);=> 15 |
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