I think this is my favourite solution. I hadn't checked its speed, but I thought that toLowerCase() probably didn't make it any smoother than returning an empty array if there are no matches.
toLowerCase()
I checked different solutions with jsperf and this was the second fastest by a little (but results may vary.)
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I think this is my favourite solution. I hadn't checked its speed, but I thought that
toLowerCase()probably didn't make it any smoother than returning an empty array if there are no matches.I checked different solutions with jsperf and this was the second fastest by a little (but results may vary.)