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    exp Redirect 1

    Summary

    The Math.exp() function returns ex, where x is the argument, and e is Euler's constant, the base of the natural logarithms.

    Syntax

    Math.exp(x)

    Parameters

    x
    A number.

    Description

    Because exp is a static method of Math, you always use it as Math.exp(), rather than as a method of a Math object you created.

    Examples

    Example: Using Math.exp

    Math.exp(-1); // 0.36787944117144233
    Math.exp(0);  // 1
    Math.exp(1);  // 2.718281828459045

    Specifications

    Specification Status Comment
    ECMAScript 1st Edition. Implemented in JavaScript 1.0 Standard Initial definition.
    ECMAScript Language Specification 5.1th Edition (ECMA-262) Standard  
    ECMAScript Language Specification 6th Edition (ECMA-262) Draft  

    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
    Last updated by: Sheppy,