>learnability I feel this is the single most important causative factor for language popularity. Javascript may have much more bad parts to the language than

>learnability I feel this is the single most important causative factor for language popularity. Javascript may have much more bad parts to the language than say Haskell but it's far easier for a programmer to learn all the bad parts of javascript and avoid those bad parts then for him to learn all the good parts of haskell and use those good parts.