define(['./_tagTester', './_setup'], function (_tagTester, _setup) {
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var isFunction = _tagTester('Function');
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// Optimize `isFunction` if appropriate. Work around some `typeof` bugs in old
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// v8, IE 11 (#1621), Safari 8 (#1929), and PhantomJS (#2236).
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var nodelist = _setup.root.document && _setup.root.document.childNodes;
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if (typeof /./ != 'function' && typeof Int8Array != 'object' && typeof nodelist != 'function') {
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isFunction = function(obj) {
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return typeof obj == 'function' || false;
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};
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}
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var isFunction$1 = isFunction;
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return isFunction$1;
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});
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