add union

Wcoder547 · Wcoder547 · commit 2c2bc6d42d74 · 2024-06-26T13:12:52.000+05:00
diff --git a/union/myUnion.js b/union/myUnion.js
@@ -0,0 +1,30 @@
+console.log("hello world");
+var score = 33;
+score = 44;
+score = "55";
+score = false;
+var waseem = { name: "waseem_akram", id: "123" };
+waseem = { userName: "fahad iqbal ", adminid: 321 };
+// function dbId(id: number | string): number | string {
+//   //some complex Api calls
+//   console.log(`The database Id is : ${id}`);
+//   return 123;
+// }
+function dbId(id) {
+    if (typeof id === "string") {
+        return id.toLowerCase();
+    }
+    id.toLocaleString();
+}
+dbId("123");
+dbId(123);
+// dbId(false);
+//Array
+var data = [1, 2, 3, 4, 5, 6];
+var data2 = ["waseem", "fahad", "talha"];
+var data3 = ["waseem", 1, 2, true];
+var pi = 3.14;
+// pi = 3.145;
+var seatAllotment;
+seatAllotment = "window";
+// seatAllotment = "crew";
diff --git a/union/myUnion.ts b/union/myUnion.ts
@@ -0,0 +1,48 @@
+console.log("hello world");
+let score: number | string | boolean = 33;
+score = 44;
+score = "55";
+score = false;
+
+type user = {
+  name: string;
+  id: string;
+};
+
+type admin = {
+  userName: string;
+  adminid: number;
+};
+
+let waseem: user | admin = { name: "waseem_akram", id: "123" };
+waseem = { userName: "fahad iqbal ", adminid: 321 };
+
+// function dbId(id: number | string): number | string {
+//   //some complex Api calls
+//   console.log(`The database Id is : ${id}`);
+//   return 123;
+// }
+
+function dbId(id: number | string) {
+  if (typeof id === "string") {
+    return id.toLowerCase();
+  }
+  id.toLocaleString();
+}
+
+dbId("123");
+dbId(123);
+// dbId(false);
+
+//Array
+
+const data: number[] = [1, 2, 3, 4, 5, 6];
+const data2: string[] = ["waseem", "fahad", "talha"];
+const data3: (string | number | boolean)[] = ["waseem", 1, 2, true];
+
+let pi: 3.14 = 3.14;
+// pi = 3.145;
+
+let seatAllotment: "aisle " | "middle" | "window";
+seatAllotment = "window";
+// seatAllotment = "crew";
