A variable declared without a value, will be undefined, therefore it is falsy, not truthy (the example could have been pasted badly). Also changed falsey to falsy and added '' as another way to declare an empty string.
A variable declared without a value, will be undefined, therefore it is falsy, not truthy (the example could have been pasted badly). Also changed falsey to falsy and added '' as another way to declare an empty string.