var tags = document.getElementsByTagName('div');

jQuery.isArray(tags) returns false

Array.isArray(tags) returns false

function isArray(object){

return typeof object === "object" && object.length > -1;

}

isArray(tags) return true

shouldn't the implemtation be more like the one I have above?

https:stackoverflow.com/questions/22237597/jquery-and-array-isarray-not-working-correctly