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mbostockmbostock
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Minor optimization.
1 parent 0c20525 commit 53ce4bb

3 files changed

Lines changed: 9 additions & 9 deletions

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‎d3.js‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -148,8 +148,8 @@ d3 = function() {
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return permutes;
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};
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d3.pairs = function(array) {
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var pairs = [], i = 0, n = array.length, p0, p1 = array[i];
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while (++i < n) pairs.push([ p0 = p1, p1 = array[i] ]);
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var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n);
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while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ];
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return pairs;
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};
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d3.zip = function() {

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