Is there a way in JavaScript to achieve constant-like behavior similar to TypeScript's const assertion?
const arr = [1,2,3,4] as const
I am looking for a solution in JavaScript that allows me to create an array that cannot be further mutated.
Is there a way in JavaScript to achieve constant-like behavior similar to TypeScript's const assertion?
const arr = [1,2,3,4] as const
I am looking for a solution in JavaScript that allows me to create an array that cannot be further mutated.
Sure, utilizing Object.freeze is the way to go.
let numbers = [1, 2, 3, 4, 5];
Object.freeze(numbers);
numbers.push(8); // This will throw an error: Cannot add property 5, as the object is not extensible
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