15 lines
320 B
JavaScript
15 lines
320 B
JavaScript
'use strict';
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function isDescendantOrSelf(potentialDescendant, potentialAncestor) {
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let el = potentialDescendant;
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do {
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if (el === potentialAncestor) {
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return true;
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}
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el = el.parentElement;
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}while (el)
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return false;
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}
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exports.isDescendantOrSelf = isDescendantOrSelf;
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