Create a Node.js file named “myfirst.js”, and add the following code:
Read moreWhat is difference between JavaScript and NodeJS?
JavaScript is a lightweight, cross-platform, interpreted scripting programming language that is primarily used for client-side scripting. It’s built into both Java and HTML. On the other hand, Node. js is a server-side scripting language based on the Google Chrome V8 engine.
Read moreWhat is Node JS simple explanation?
Node. js is a JavaScript runtime environment that achieves low latency and high throughput by taking a “non-blocking” approach to serving requests . In other words, Node. js wastes no time or resources on waiting for I/O requests to return.6 Nis 2020
Read moreHow does the node js server work?
Node is completely event-driven. Basically the server consists of one thread processing one event after another . A new request coming in is one kind of event. The server starts processing it and when there is a blocking IO operation, it does not wait until it completes and instead registers a callback function.24 Ara 2015
Read moreHow do you return a value from a node js function?
var response = yield doCall(urlToCall); // “yield” garuantees the callback finished. console. log(response) // The response will not be undefined anymore. By doing this, we wait until the callback function finishes, then get the value from it.
Read moreHow do you call a function in node JS?
To call a function, you can either pass its name and arguments to User. callFunction() or call the function as if it was a method on the User.
Read moreWhat does use () do in Express?
use() function is used to mount the specified middleware function(s) at the path which is being specified . It is mostly used to set up middleware for your application. Parameters: path: It is the path for which the middleware function is being called.18 Haz 2020
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