Are you sure? > function isboxed() { return this instanceof Number; } > isboxed.... | Hacker News

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		implicit on June 11, 2015 \| parent \| context \| favorite \| on: Trine – A utility library for functional programmi... Are you sure? `> function isboxed() { return this instanceof Number; } > isboxed.call(5); true`

CrossEye on June 11, 2015 [–]

as inglor said, this depends on strict mode:

    > var isboxed = (function() {"use strict"; return function isboxed() {return this instanceof Number;}}());
    > isboxed.call(5);
    false

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