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What Happens When You Type a URL? DNS, TCP, TLS, HTTP
When you open a website, your computer first asks DNS to turn the name into an IP address, then opens a connection to that address, sets u...
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Largest and Smallest Number in an Array in JavaScript
To find the largest and smallest number in a JavaScript array, use Math.max(...arr) and Math.min(...arr) for everyday arrays, or one for...
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Node.js JWT Authentication API With Express 5 and bcrypt
A JWT authentication API does three jobs: it stores a bcrypt hash of each password at sign-up, gives back a short-lived signed token at lo...
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REST API in Express.js: CRUD With Express 5, Step by Step
A REST API in Express.js is a set of routes, one per HTTP verb and path, that read or change a resource and answer with JSON and the statu...