JS Lab 4

INFO-1273 (Databases 1)/Labs/Lab 5/lab5_LeviMcLean.sql

@@ -0,0 +1,25 @@
+USE mynorthwind;
+
+CREATE TABLE IF NOT EXISTS invoices (
+	invoiceId INT AUTO_INCREMENT PRIMARY KEY,
+	customer VARCHAR(5) NOT NULL,
+    amount INT NOT NULL,
+    date DATE NOT NULL,
+    FOREIGN KEY (customer) REFERENCES customers(CustomerID)
+);
+
+INSERT INTO invoices (customer, amount, date) VALUES ('ANATR', 250, '2026-01-06');
+INSERT INTO invoices (customer, amount, date) VALUES ('ANTON', 375, '2026-01-02');
+INSERT INTO invoices (customer, amount, date) VALUES ('ALFKI', 125, '2026-01-25');
+
+CREATE TABLE IF NOT EXISTS returns (
+	returnId INT AUTO_INCREMENT PRIMARY KEY,
+    customer VARCHAR(5) NOT NULL,
+    amount INT NOT NULL,
+    date DATE NOT NULL,
+    FOREIGN KEY (customer) REFERENCES customers(CustomerID)
+);
+
+INSERT INTO returns (customer, amount, date) VALUES ('ANATR', 111, '2026-02-12');
+INSERT INTO returns (customer, amount, date) VALUES ('ANTON', 950, '2026-02-26');
+INSERT INTO returns (customer, amount, date) VALUES ('ALFKI', 10205, '2026-03-01');

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

@@ -0,0 +1,3 @@
+console.log("Hello Node.js");
+console.log("Welcome to Node.js Lab");
+

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

@@ -0,0 +1,5 @@
+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

@@ -0,0 +1,14 @@
+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

@@ -0,0 +1,5 @@
+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

@@ -0,0 +1,5 @@
+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

@@ -0,0 +1,9 @@
+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

@@ -0,0 +1 @@
+Hello from Node.js

INFO-3168 (JS 2)/Project/LeviMclean_nasa-meteorite-explorer/index.html

@@ -29,7 +29,6 @@
             <input type="number" placeholder="MaxYear" name="maxYearInput" id="maxYearInput">
 
             <button type="submit" value="Filter By Year" name="yearFilterBtn" onclick="filterByYear()">Filter By Year</button>
-
         </fieldset>
 
         <!-- Filter by name stuff -->

INFO-3168 (JS 2)/Project/LeviMclean_nasa-meteorite-explorer/js/main.js

@@ -5,7 +5,7 @@ function fetchJson() {
         .then(data => {
             console.log(data);
             const tableBody = document.getElementById("meteorTableBody");
-            data.forEach(meteor => { // Just get 500 values for now
+            data.splice(0,35).forEach(meteor => { // Just get 500 values for now
                 const row = document.createElement("tr");
                 const id = document.createElement("td");
                 id.textContent = meteor.id ?? "-";

INFO-3168 (JS 2)/Project/LeviMclean_nasa-meteorite-explorer/js/map.js

@@ -12,7 +12,7 @@ function loadMap() {
     fetch("./js/Meteorite_Landings.json")
     .then((response) => response.json())
     .then(data => {
-        meteorData = data.splice(0,500);
+        meteorData = data.splice(0,35);
         filteredData = [...meteorData];
         drawMarkers(filteredData);
     })