new typescript

s202226701012/workspace/tslearn/.gitignore

@@ -0,0 +1,2 @@
+node_modules
+tslearn/*.js

s202226701012/workspace/tslearn/datetype.ts

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+//string
+let studentName: String = "xiaoming";
+
+//number
+let studentAge: number = 18;
+
+//Boolean
+let isChecked: Boolean = true;
+
+//Date
+let now: Date = new Date();
+
+//Array
+let studentList1: Array<{ name: string; age: number; isChecked?: boolean }> = [
+  { name: "xiaoming", age: 18 },
+];
+let studentnew = {
+  name: "xiaoming",
+  age: 18,
+  isChecked: false,
+  works: ["yuwen"],
+};

s202226701012/workspace/tslearn/hello.js

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+//无法识别到ts的格式
+var student1 = "xiaoming";
+for (var index = 0; index < 2; index++) {
+    var student1_1 = "xiaowang";
+    console.log(student1_1);
+}
+console.log(student1);

s202226701012/workspace/tslearn/hello.ts

@@ -0,0 +1,9 @@
+//无法识别到ts的格式
+
+let student1: string = "xiaoming";
+
+for (let index = 0; index < 2; index++) {
+  let student1 = "xiaowang";
+  console.log(student1);
+}
+console.log(student1);