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    The Math.LOG10E property represents the base 10 logarithm of e, approximately 0.434:

    Math.LOG10E=log10(e)0.434\mathtt{\mi{Math.LOG10E}} = \log_10(e) \approx 0.434

    Property attributes of Math.LOG10E
    Writable no
    Enumerable no
    Configurable no


    Because LOG10E is a static property of Math, you always use it as Math.LOG10E, rather than as a property of a Math object you created (Math is not a constructor).


    Example: Using Math.LOG10E

    The following function returns the base 10 logarithm of e:

    function getLog10e() {
      return Math.LOG10E;
    getLog10e(); // 0.4342944819032518


    Specification Status Comment
    ECMAScript 1st Edition. Standard Initial definition. Implemented in JavaScript 1.0.
    ECMAScript 5.1 (ECMA-262)
    The definition of 'Math.LOG10E' in that specification.
    ECMAScript 2015 (6th Edition, ECMA-262)
    The definition of 'Math.LOG10E' in that specification.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support (Yes) (Yes) (Yes) (Yes) (Yes)
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)

    See also

    Document Tags and Contributors

    Contributors to this page: Sheppy, fscholz,, evilpie, Marcoos, ethertank, Mgjbot, Maian, Dria, Kyodev, Mingun
    Last updated by: Mingun,