JavaScript Handler

JavaScript handler.apply() Method The handler.apply() method is used to trap for a function call. The value returned by the apply trap is…

JavaScript handler.construct() Method The handler.construct() method is used to intercept the new operation. This method returns an object. Syntax construct: function(target, argumentsList,…

JavaScript handler.defineProperty() Method The handler.defineProperty() method can define the new properties. It can also modify the existing properties directly on an object.…

JavaScript handler.deleteProperty() Method The handler.deleteProperty() method used to remove the property entirely using the delete operator. This method returns true if the…

JavaScript handler.get() Method The handler.get method is a trap for getting a property value. This method takes 3 arguments. Syntax get: function(target,…

JavaScript handler.getOwnPropertyDescriptor() Method The handler.getOwnPropertyDescriptor() method is a trap for Object.getOwnPropertyDescriptor(). It exists as an own property of the target object and…

JavaScript handler.getPrototypeOf() Method The handler.getPrototypeOf() method is a trap for the internal method. If target is not extensible, then this method returns…

JavaScript handler.has() Method The handler.has() method used to “hide” any property you want. It’s a trap for an operator. It returns the…

JavaScript handler.isExtensible() Method The handler.isExtensible() method a trap for Object.isExtensible(). We can be mostly used for logging or auditing calls to Object.isExtensible…

JavaScript handler.ownKeys() Method The handler.ownKeys() method of JavaScript is used to return an enumerable object. This method is a trap for Reflect.ownKeys().…