Express.js اسئلة واجوبة المقابلات
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سؤال 6. Explain the difference between res.send() and res.json() in Express.js.
res.send() sends a response of various types, while res.json() specifically sends a JSON response.
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سؤال 7. What is Express Router?
Express Router is a middleware that can be used to define modular routes for your application.
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سؤال 8. How to handle errors in Express.js?
You can handle errors in Express.js using middleware with four parameters (err, req, res, next) or using try-catch blocks.
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سؤال 9. What is the purpose of body-parser middleware?
body-parser is used to parse the incoming request bodies in a middleware before the handlers, making it easier to handle form data and JSON payloads.
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سؤال 10. Explain the concept of view engines in Express.js.
View engines are used to render dynamic content. Popular view engines for Express include EJS, Pug, and Handlebars.
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الاكثر فائدة حسب تقييم المستخدمين:
- How to handle errors in Express.js?
- What is Express.js?
- How to install Express.js?
- What is middleware in Express.js?
- What is the purpose of app.use() in Express.js?