1// 26.1.12 Reflect.preventExtensions(target) 2var $export = require('./_export'); 3var anObject = require('./_an-object'); 4var $preventExtensions = Object.preventExtensions; 5 6$export($export.S, 'Reflect', { 7 preventExtensions: function preventExtensions(target) { 8 anObject(target); 9 try { 10 if ($preventExtensions) $preventExtensions(target); 11 return true; 12 } catch (e) { 13 return false; 14 } 15 } 16}); 17