28 lines
490 B
JavaScript
28 lines
490 B
JavaScript
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function HorizontalPositionCache(getElement) {
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var t = this,
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elements = {},
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lefts = {},
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rights = {};
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function e(i) {
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return elements[i] = elements[i] || getElement(i);
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}
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t.left = function(i) {
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return lefts[i] = lefts[i] === undefined ? e(i).position().left : lefts[i];
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};
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t.right = function(i) {
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return rights[i] = rights[i] === undefined ? t.left(i) + e(i).width() : rights[i];
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};
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t.clear = function() {
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elements = {};
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lefts = {};
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rights = {};
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};
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}
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