Checks that XMLHttpRequest's properties are on the prototype and have the right properties On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS xhr.__proto__ is XMLHttpRequest.prototype * readyState PASS xhr.hasOwnProperty(propertyName) is false PASS xhr.__proto__.hasOwnProperty(propertyName) is true PASS properties.configurable is true PASS properties.enumerable is true * response PASS xhr.hasOwnProperty(propertyName) is false PASS xhr.__proto__.hasOwnProperty(propertyName) is true PASS properties.configurable is true PASS properties.enumerable is true * responseText PASS xhr.hasOwnProperty(propertyName) is false PASS xhr.__proto__.hasOwnProperty(propertyName) is true PASS properties.configurable is true PASS properties.enumerable is true * responseType PASS xhr.hasOwnProperty(propertyName) is false PASS xhr.__proto__.hasOwnProperty(propertyName) is true PASS properties.configurable is true PASS properties.enumerable is true * responseURL PASS xhr.hasOwnProperty(propertyName) is false PASS xhr.__proto__.hasOwnProperty(propertyName) is true PASS properties.configurable is true PASS properties.enumerable is true * responseXML PASS xhr.hasOwnProperty(propertyName) is false PASS xhr.__proto__.hasOwnProperty(propertyName) is true PASS properties.configurable is true PASS properties.enumerable is true * statusText PASS xhr.hasOwnProperty(propertyName) is false PASS xhr.__proto__.hasOwnProperty(propertyName) is true PASS properties.configurable is true PASS properties.enumerable is true * timeout PASS xhr.hasOwnProperty(propertyName) is false PASS xhr.__proto__.hasOwnProperty(propertyName) is true PASS properties.configurable is true PASS properties.enumerable is true * upload PASS xhr.hasOwnProperty(propertyName) is false PASS xhr.__proto__.hasOwnProperty(propertyName) is true PASS properties.configurable is true PASS properties.enumerable is true * withCredentials PASS xhr.hasOwnProperty(propertyName) is false PASS xhr.__proto__.hasOwnProperty(propertyName) is true PASS properties.configurable is true PASS properties.enumerable is true PASS successfullyParsed is true TEST COMPLETE