Module 42756

function(r,t,e){var n=e(210140),o=e(339626),i=e(250594),a=e(583178),u=e(77958),c=a("IE_PROTO"),f=Object,p=f.prototype;r.exports=u?f.getPrototypeOf:function(r){var t=i(r);if(n(t,c))return t[c];var e=t.constructor;return o(e)&&t instanceof e?e.prototype:t instanceof f?p:null}}