保存进度！

code/ts/后端辅助工具/src/main.ts

@@ -1,16 +1,36 @@
 
-const greetings: string = "Hello, World!";
+const greetings = "Hello, World!";
 
-console.log( greetings );
+// console.log( greetings );
 
-enum Season {
+enum Season
+{
     spring = 1,
     summer,
     autumn,
     winter,
 };
 
-let today: Season = Season.spring;
+const ar: string[] = [
+    "1", "2",
+];
 
-console.log( today );
+const ar2: (string | number)[] = [
+    1, 2, 3, "4",
+];
+
+const ar3: readonly (string | number)[] = [1, 2, 3, 4, 5, "7",];
+
+const today = Season.spring;
+
+function ts(): string
+{
+    const message = "message";
+
+    return message;
+}
+
+ts();
+
+console.log(today);