Web Reference: Mar 2, 2022 · TypeScript Readonly explanation with runnable code snippet and real-time example Website: https://hirerankers.com/#/home...more Essentially, when you define a property, you can use readonly to prevent re-assignment. This is actually only a compile-time check. When you define a const variable (and target a more recent version of JavaScript to preserve const in the output), the check is also made at runtime. In this tutorial, you will learn how to use the TypeScript readonly access modifier to mark class properties as immutable properties.
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