Array.prototype.unshift() - JavaScript | MDN

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Array.prototype.push()

The unshift() method inserts the given values to the beginning of an array-like object.

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This page was last modified on Jul 20, 2025 by MDN contributors.

[Symbol.iterator]()

[Symbol.unscopables]

[Symbol.hasInstance]()

__defineGetter__()

__defineSetter__()

__lookupGetter__()

__lookupSetter__()

propertyIsEnumerable()

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