1 | 'use strict';
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2 |
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3 | var proto = Element.prototype;
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4 | var vendor = proto.matches
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5 | || proto.matchesSelector
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6 | || proto.webkitMatchesSelector
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7 | || proto.mozMatchesSelector
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8 | || proto.msMatchesSelector
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9 | || proto.oMatchesSelector;
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10 |
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11 | module.exports = match;
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12 |
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13 |
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14 |
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15 |
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16 |
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17 |
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18 |
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19 |
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20 |
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21 |
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22 | function match(el, selector) {
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23 | if (!el || el.nodeType !== 1) return false;
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24 | if (vendor) return vendor.call(el, selector);
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25 | var nodes = el.parentNode.querySelectorAll(selector);
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26 | for (var i = 0; i < nodes.length; i++) {
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27 | if (nodes[i] == el) return true;
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28 | }
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29 | return false;
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30 | }
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