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- {"ast":null,"code":"// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\nvar anObject = require('./_an-object');\n\nvar dPs = require('./_object-dps');\n\nvar enumBugKeys = require('./_enum-bug-keys');\n\nvar IE_PROTO = require('./_shared-key')('IE_PROTO');\n\nvar Empty = function Empty() {\n /* empty */\n};\n\nvar PROTOTYPE = 'prototype'; // Create object with fake `null` prototype: use iframe Object with cleared prototype\n\nvar _createDict = function createDict() {\n // Thrash, waste and sodomy: IE GC bug\n var iframe = require('./_dom-create')('iframe');\n\n var i = enumBugKeys.length;\n var lt = '<';\n var gt = '>';\n var iframeDocument;\n iframe.style.display = 'none';\n\n require('./_html').appendChild(iframe);\n\n iframe.src = 'javascript:'; // eslint-disable-line no-script-url\n // createDict = iframe.contentWindow.Object;\n // html.removeChild(iframe);\n\n iframeDocument = iframe.contentWindow.document;\n iframeDocument.open();\n iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);\n iframeDocument.close();\n _createDict = iframeDocument.F;\n\n while (i--) {\n delete _createDict[PROTOTYPE][enumBugKeys[i]];\n }\n\n return _createDict();\n};\n\nmodule.exports = Object.create || function create(O, Properties) {\n var result;\n\n if (O !== null) {\n Empty[PROTOTYPE] = anObject(O);\n result = new Empty();\n Empty[PROTOTYPE] = null; // add \"__proto__\" for Object.getPrototypeOf polyfill\n\n result[IE_PROTO] = O;\n } else result = _createDict();\n\n return Properties === undefined ? result : dPs(result, Properties);\n};","map":null,"metadata":{},"sourceType":"script"}
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