WeakMap.prototype.delete() - JavaScript | MDN

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true if an entry in the WeakMap object has been removed successfully. false if the key is not found in the WeakMap. Always returns false if key is not an object or a non-registered symbol.

WeakMap.prototype.get()

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This page was last modified on Sep 22, 2025 by MDN contributors.

getOrInsertComputed()

[Symbol.hasInstance]()

__defineGetter__()

__defineSetter__()

__lookupGetter__()

__lookupSetter__()

propertyIsEnumerable()

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