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    Array.of()

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    This is an experimental technology, part of the ECMAScript 6 (Harmony) proposal.
    Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future version of browsers as the spec changes.

    Summary

    The Array.of() method creates a new Array instance with a variable number of arguments, regardless of number or type of the arguments.

    Syntax

    Array.of(element0[, element1[, ...[, elementN]]])

    Parameters

    elementN
    Elements of which to create the array.

    Description

    This function is part of the ECMAScript 6 standard. For more information see Array.of and Array.from proposal and Array.of polyfill.

    Examples

    Array.of(1);         // [1]
    Array.of(1, 2, 3);   // [1, 2, 3]
    Array.of(undefined); // [undefined]
    

    Polyfill

    Running the following code before any other code will create Array.of() if it's not natively available.

    if (!Array.of) {
      Array.of = function() {
        return Array.prototype.slice.call(arguments);
      };
    }
    

    Specifications

    Specification Status Comment
    ECMAScript 6 (ECMA-262)
    The definition of 'Array.of' in that specification.
    Draft Initial definition.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support 39 [1] 25 (25) Not supported Not supported Not supported
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support Not supported 39 [1] 25.0 (25) Not supported Not supported Not supported

    [1] The feature is available behind a preference. Go to chrome://flags and activate the entry “Enable Experimental JavaScript”.

    See also

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    Contributors to this page: Mingun, fscholz, SphinxKnight, ConorOB, rwaldron, franza, phistuck
    最終更新者: fscholz,
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