That is a vague statement. Have you read the first quote? I think that clearly specifies clean code is important.
I try to make intentions clear when writing code, even if it isn't the fastest.
This was exactly the point.
the engines were designed to score well on benchmark tests that have little to do with real-world usage of the engine.
The problem with JS performance are not due to engine. It is often because we do not know how this engine works. Irrespective of engine, if you are writing poly/mega-morphic code the performance will be slow. We have to understand that when writing. The engines are tuned for real life cases too but it is not possible to cover them fully.
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That is a vague statement. Have you read the first quote? I think that clearly specifies clean code is important.
This was exactly the point.
The problem with JS performance are not due to engine. It is often because we do not know how this engine works. Irrespective of engine, if you are writing poly/mega-morphic code the performance will be slow. We have to understand that when writing. The engines are tuned for real life cases too but it is not possible to cover them fully.