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express

Express.js routing and response handling examples.

WebUse 404 Not Found for REST API GET Missing Resource

Return 404 Not Found for GET /api/{id} when the requested REST resource doesn't exist. Include a concise JSON error body. Use 200 for empty collections.

1 answer• 1 view
WebFix Express.js async Mongoose undefined responses now

Fix Express.js routes returning undefined from Mongoose. Use async/await or .then() with try/catch so res.json sends findById result after promise resolves.

1 answer• 1 view
WebFix Express.js res.json() Array Response Issue - Last Element Only

Learn how to fix Express.js res.json() returning only the last element of an array instead of the full array. Solutions for proper array handling in Express APIs.

1 answer• 1 view