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cleaning up _.last implementation.

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Jeremy Ashkenas
2011-11-14 14:27:44 -05:00
parent a7f14435b1
commit f29785a0b7
1 changed files with 5 additions and 1 deletions
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6
underscore.js
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@@ -335,7 +335,11 @@
// Get the last element of an array. Passing **n** will return the last N // Get the last element of an array. Passing **n** will return the last N
// values in the array. The **guard** check allows it to work with `_.map`. // values in the array. The **guard** check allows it to work with `_.map`.
_.last = function(array, n, guard) { _.last = function(array, n, guard) {
return (n != null) && !guard ? slice.call(array, Math.max(array.length - n, 0)) : array[array.length - 1]; if ((n != null) && !guard) {
return slice.call(array, Math.max(array.length - n, 0));
} else {
return array[array.length - 1];
}
}; };
// Returns everything but the first entry of the array. Aliased as `tail`. // Returns everything but the first entry of the array. Aliased as `tail`.