Echo JS 0.11.0

"Threats"? Isn't "risks" a better term here?

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Even if it's something free, it's still SPAM.

There's a misunderstanding: I mainly use `slice` too. I only use `substr` if I have the length of the substring I need. That's its added value.

What I stopped using altogether is `substring`.

substring and slice are the same for most cases (the differences are explained in the article). The *real* alternative is substr.

The second technique doesn't actually remove the property: it creates another object without a property. It's widely used if immutability is a constraint.

If you want another proper way, you can use Reflect.deleteProperty.

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Whoa! This looks so cool!

... Except the title of this post. Seriously, it sounds like spam.

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