MediumJavaScript & TypeScriptMultiple Choice
What does Object.freeze() do?
— Tests your understanding of this concept.
Answer Options
APrevents new properties from being added
BMakes an object completely immutable (no add, delete, or modify)
CFreezes the garbage collector
DLocks the prototype chain
Want to see the correct answer?
Get the answer with a detailed explanation, plus practice 20+ more JavaScript & TypeScript questions with adaptive quizzes and timed interviews.
See the Answer on Guru Sishya →This question is from the JavaScript & TypeScript topic (Programming Languages).
More JavaScript & TypeScript Questions
What will the following code log? ```js console.log(typeof null); ```
EasyWhat is the output of: `console.log(0.1 + 0.2 === 0.3)`?
Medium-EasyWhich of the following creates a SHALLOW copy of an object?
Medium-EasyWhat does the `in` operator check for in JavaScript?
Medium-EasyIn TypeScript, what does the `never` type represent?
Medium