isWeakMap.js 288 Bytes Raw Blame History Permalink 1 2 3 4 5 6 7 define(['./_tagTester', './_stringTagBug', './_methodFingerprint'], function (_tagTester, _stringTagBug, _methodFingerprint) { var isWeakMap = _stringTagBug.isIE11 ? _methodFingerprint.ie11fingerprint(_methodFingerprint.weakMapMethods) : _tagTester('WeakMap'); return isWeakMap; });