Ha, Express.js-ni ishga tushirish uchun Node.js-ni o'rnatishingiz kerak, chunki Express.js - bu veb-ilovalarni yaratish uchun ishlatiladigan Node.js ramkasi. Node.js - bu Express.js-ni ishga tushiradigan va Express.js-ni to'g'ri ishlash uchun zarur bo'lgan funktsiyalarni taqdim etadigan ish vaqti muhiti. Shuning uchun Express.js-ni o'rnatish va ishlatishdan oldin Node.js o'rnatilishi kerak.
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