JS Lab 4

INFO-3168 (JS 2)/Labs/Lab 4/node-lab/app.js

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+console.log("Hello Node.js");
+console.log("Welcome to Node.js Lab");
+

INFO-3168 (JS 2)/Labs/Lab 4/node-lab/asyncExample.js

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+console.log("Start");
+setTimeout(() => {
+    console.log("This runs after 2 seconds");
+}, 2000);
+console.log("End");

INFO-3168 (JS 2)/Labs/Lab 4/node-lab/asyncWaitExample.js

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+function fetchData() {
+    return new Promise((resolve) => {
+        setTimeout(() => {
+            resolve("Data received");
+        }, 2000);
+    });
+}
+
+async function displayData() {
+    const data = await fetchData();
+    console.log(data);
+}
+
+displayData();

INFO-3168 (JS 2)/Labs/Lab 4/node-lab/fileExample.js

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+const fs = require("fs");
+
+fs.writeFileSync("test.txt", "Hello from Node.js");
+
+console.log("File created successfully!");

INFO-3168 (JS 2)/Labs/Lab 4/node-lab/osExample.js

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+const os = require("os");
+
+console.log("Operating System:", os.platform());
+console.log("CPU Architecture:", os.arch());
+console.log("Total Memory:", os.totalmem());

INFO-3168 (JS 2)/Labs/Lab 4/node-lab/server.js

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+const http = require("http");
+const server = http.createServer((req, res) => {
+    res.writeHead(200, { "Content-Type": "text/plain" });
+    res.end("Hello from Node.js Web Server! My Name is Levi");
+});
+
+server.listen(3000, () => {
+    console.log("Server running at http://localhost:3000");
+});

INFO-3168 (JS 2)/Labs/Lab 4/node-lab/test.txt

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+Hello from Node.js