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Module keys

Index

Functions Object

Object Functions

  • keys(object: any): string[]
  • Creates an array of the own enumerable property names of object.

    Note: Non-object values are coerced to objects. See the ES spec for more details.

    since

    5.5.0

    see

    values, [[valuesIn]]

    example
    function Foo() {
    this.a = 1
    this.b = 2
    }

    Foo.prototype.c = 3

    keys(new Foo)
    // => ['a', 'b'] (iteration order is not guaranteed)

    keys('hi')
    // => ['0', '1']

    Parameters

    • object: any

      The object to query.

    Returns string[]

    Returns the array of property names.