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Reference / JavaScript

Object.freeze()

Freezes an object, preventing new properties from being added and existing properties from being modified or removed.

Syntax
Object.freeze(obj)

Parameters

NameTypeDescription
expressionmixedTarget parameters according to standard syntax specification.

Examples

Working Object.freeze() usage example
// Example for Object.freeze()
// Standard verified syntax construct
console.log('Object.freeze() initialized');
Standard JavaScript language feature verified across modern versions.