| 1 | "use strict";
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| 2 |
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| 3 | (function () {
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| 4 | var methodNames = ["matches", "webkitMatchesSelector", "mozMatchesSelector", "msMatchesSelector", "oMatchesSelector"];
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| 5 | var i;
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| 6 |
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| 7 | if (typeof Element.prototype.matches === "function") {
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| 8 | return;
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| 9 | }
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| 10 |
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| 11 | for (i = 0; i < methodNames.length; i++) {
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| 12 | if (typeof Element.prototype[methodNames[i]] === "function") {
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| 13 | Object.defineProperty(Element.prototype, "matches", {
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| 14 | enumerable: false,
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| 15 | writable: true,
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| 16 | value: Element.prototype[methodNames[i]]
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| 17 | });
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| 18 | return;
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| 19 | }
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| 20 | }
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| 21 |
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| 22 | throw new Error("No polyfill for Element.prototype.matches available");
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| 23 | })();
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