npm-indexofkey (npm): Which receives array, (key, value) object pair and returns the index of that particular {key,value} pair in that array and also it is flexible enough to return the first index , last index and also an array of multilple indexes.
Keywords: array|index|object|key|indexofkey|findindex|getindex|object-index|indexbyproperty|arraypropertyindex|property|indexofproperty