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    JavaScript internal numerical representations

    Eve, Martin Paul (2007) JavaScript internal numerical representations. eve.gd ,

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    Abstract

    Whilst working on the next release of .NETIDS I came across some interesting info about the parsing of numbers within JavaScript - information that is of particular relevance when it comes to filtering against String.fromCharCode injection attempts. The first item of interest is that JavaScript will parse hexadecimal in the form 0xYY even when not enclosed in quotes (ie. as a string), so this can be used in fromCharCode.

    Metadata

    Item Type: Article
    School: Birkbeck Faculties and Schools > Faculty of Humanities and Social Sciences > School of Creative Arts, Culture and Communication
    Research Centres and Institutes: Contemporary Literature, Centre for
    Depositing User: Martin Eve
    Date Deposited: 20 Nov 2016 12:22
    Last Modified: 24 Aug 2023 13:55
    URI: https://eprints.bbk.ac.uk/id/eprint/16809

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