instance method Array#every
Array#every([iterator = Prototype.K[, context]]) → Boolean
Function) – An optional function to use to evaluate each element in the enumeration; the function should return the value to test. If this is not provided, the element itself is tested.
Object) – An optional object to use as
thiswithin calls to the iterator.
Determines whether all elements are truthy (boolean-equivalent to
true), either directly or through computation by the provided iterator.
Array#every acts as an ECMAScript 5 polyfill.
It is only defined if not already present in the user's browser, and it
is meant to behave like the native version as much as possible. Consult
the ES5 specification for more