{{alias}}( collection, fcn[, thisArg] ) Converts a collection to an object whose keys are determined by a provided function and whose values are the collection values, iterating from right to left. When invoked, the input function is provided two arguments: - `value`: collection value - `index`: collection index If more than one element in a collection resolves to the same key, the key value is the collection element which last resolved to the key. Object values are shallow copies. Parameters ---------- collection: Array|TypedArray|Object Input collection over which to iterate. If provided an object, the object must be array-like (excluding strings and functions). fcn: Function The function to invoke for each element in a collection. thisArg: any (optional) Execution context. Returns ------- out: Object Output object. Examples -------- > function toKey( v ) { return v.a; }; > var arr = [ { 'a': 1 }, { 'a': 2 } ]; > {{alias}}( arr, toKey ) { '2': { 'a': 2 }, '1': { 'a': 1 } } See Also --------