`var a = 'x'; window.hasOwnProperty('a') //returns false` because of JScripts Variable Host object. explicitly use `window.a = 'x'`
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
`var a = 'x'; window.hasOwnProperty('a') //returns false` because of JScripts Variable Host object. explicitly use `window.a = 'x'`