Web Reference: Jul 17, 2025 · The delete operator removes a property from an object. If the property's value is an object and there are no more references to the object, the object held by that property is eventually released automatically. Oct 16, 2008 · 1130 Objects in JavaScript can be thought of as maps between keys and values. The delete operator is used to remove these keys, more commonly known as object properties, one at a time. The delete operator should not be used on the properties of any predefined JavaScript objects (Array, Boolean, Date, Function, Math, Number, RegExp, and String).
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Javascript Tips Delete Keyword Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $16M - $46M
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Last Updated: April 10, 2026
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