What this snippet does
Immutable timestamps or IDs can be assigned once upon creation and never modified thereafter.
Expected output
1970-01-01T00:00:00.000Z
Why practise typing this
Typing classes code builds muscle memory for the symbols and indentation TypeScript uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
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