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1093Why isn't !! OK?

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  • iain_dalton
    Feb 1, 2010
      In JavaScript: A Survey of the Language, you wrote:

      !! can be used as a prefix operator, converting its operand to a boolean.

      but JSLint says:

      Confusing use of '!'.

      (twice). What's wrong with it, and is Boolean() preferred now?
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