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cosinekitty/verify_number.js

Created June 10, 2020 02:08
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  1. cosinekitty created this gist Jun 10, 2020.
    13 changes: 13 additions & 0 deletions verify_number.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,13 @@
    function v(x) {
    if (typeof x !== 'number') {
    console.trace();
    throw `Not a numeric type: ${x}`;
    }

    if (isNaN(x)) {
    console.trace();
    throw 'NAN result';
    }

    return x;
    }