Five JavaScript Features That Help Write Cleaner, More Maintainable Code

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A developer on DEV Community has highlighted five JavaScript features that simplify code and improve maintainability. Optional chaining (?.) allows safe access to nested object properties without risking errors, while the nullish coalescing operator (??) provides a more precise fallback than the traditional OR operator. Destructuring lets developers extract object properties in a single, readable line, and the spread operator makes copying or merging arrays and objects straightforward. Array methods like forEach, filter, and map, along with template literals, further reduce complexity and improve code readability.

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