How to Freeze an Object in JavaScript: Object.freeze(), Object.seal() & More

In JavaScript, it is possible to freeze an object, to make it immutable, and prevent it from being changed. You will learn how to freeze an object in JavaScript with Object.freeze(), seal it with Object.seal(), prevent extending it and more.

In JavaScript, it is possible to freeze an object, to make it immutable, and prevent it from being changed. This tutorial will show you how to do it. You will learn how to freeze an object in JavaScript with Object.freeze(), seal it with Object.seal(), prevent extending it and more.

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The essential JavaScript concepts that you should understand - For successful developing and to pass a work interview

JavaScript data types are kept easy. While JavaScript data types are mostly similar to other programming languages; some of its data types can be unique. Here, we’ll outline the data types of JavaScript.

Introduction With Basic JavaScript - Unlike most programming languages, the JavaScript language has no concept of input or output. It is designed to run as a scripting language in a host environment, and it is up to the host environment to provide mechanisms for communicating with the outside world.