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Runtime error
Runtime error
; | |
var isArray = Array.isArray, getPrototypeOf = Object.getPrototypeOf; | |
module.exports = function (obj) { | |
var proto; | |
if (!obj || !isArray(obj)) return false; | |
proto = getPrototypeOf(obj); | |
if (!isArray(proto)) return false; | |
return !isArray(getPrototypeOf(proto)); | |
}; | |