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12 lines
533 B
12 lines
533 B
'use strict';
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// https://tc39.es/ecma262/#sec-IsHTMLDDA-internal-slot
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var documentAll = typeof document == 'object' && document.all;
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// `IsCallable` abstract operation
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// https://tc39.es/ecma262/#sec-iscallable
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// eslint-disable-next-line unicorn/no-typeof-undefined -- required for testing
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module.exports = typeof documentAll == 'undefined' && documentAll !== undefined ? function (argument) {
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return typeof argument == 'function' || argument === documentAll;
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} : function (argument) {
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return typeof argument == 'function';
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};
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