Use has utility function instead of Object.prototype.hasOwnProperty
Use has utility function instead of Object.prototype.hasOwnProperty

mathiasbynens/acorn,MarcelGerber/acorn,ternjs/acorn,ajaxorg/acorn,TimothyGu/acorn,mysticatea/acorn,MarcelGerber/acorn,ternjs/acorn,mysticatea/acorn,marijnh/acorn,ajaxorg/acorn,TimothyGu/acorn,marijnh/acorn,marijnh/acorn,MarcelGerber/acorn,ternjs/acorn,ajaxorg/acorn,mathiasbynens/acorn,TimothyGu/acorn,mysticatea/acorn,mathiasbynens/acorn