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Compare the speed to retrieve a value from three data structures that can be used for boolean referencing; i.e. for mapping enabled settings.
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This test is only intended to be used to test for getting a new reference to an object, not generating a deep clone of an object. Some of the methods used here generate a deep copy and some a shallow copy, but the intent is only to find the fastest method of getting a shallow copy where the key length is long and there are lots of keys.
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to var or not to var in loop
Compares slice, substr and substring to each other when there is only a start index
Compares slice, substr and substring to each other when there is only a start index
find the best solution for optimize getting selected option
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Comparing array pop vs setting array length
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In memory constrained devices the use of .map() is not always possible. In such places, this should determine whether a mutation is better than creating a new array from scratch while emptying the original array, thus, keeping somewhat the same memory usage.
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