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Reuse result of previous calcualtion

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This closes https://github.com/select2/select2/pull/4155.
This commit is contained in:
Vasyl Zuzyak 2016-02-14 14:03:49 -05:00 committed by Kevin Brown
parent d976f1c576
commit e3f9466d8b
1 changed files with 1 additions and 5 deletions
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6
src/js/select2/results.js vendored
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@ -397,11 +397,7 @@ define([
this.$results.on('mousewheel', function (e) { this.$results.on('mousewheel', function (e) {
var top = self.$results.scrollTop(); var top = self.$results.scrollTop();
var bottom = ( var bottom = self.$results.get(0).scrollHeight - top + e.deltaY;
self.$results.get(0).scrollHeight -
self.$results.scrollTop() +
e.deltaY
);
var isAtTop = e.deltaY > 0 && top - e.deltaY <= 0; var isAtTop = e.deltaY > 0 && top - e.deltaY <= 0;
var isAtBottom = e.deltaY < 0 && bottom <= self.$results.height(); var isAtBottom = e.deltaY < 0 && bottom <= self.$results.height();