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12 lines
525 B
12 lines
525 B
define: DUK_OPT_NO_NONSTD_ARRAY_MAP_TRAILER
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introduced: 1.0.0
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tags:
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- ecmascript
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description: >
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For better compatibility with existing code, Array.prototype.map() has
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non-standard behavior by default for trailing non-existent elements of
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the map result, see
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https://github.com/svaarala/duktape/blob/master/ecmascript-testcases/test-bi-array-proto-map-nonstd-trailing.js.
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If this option is given, map() will behave in a strictly conforming
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fashion, ignoring non-existent trailing elements in the result length.
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