constructor is a function

2024-06-03 12:16:54 +02:00
parent 1e55406e8f
commit 78ebe07977
3 changed files with 44 additions and 0 deletions
--- a/4.5constructor/index.html
+++ b/4.5constructor/index.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <!-- add mocha css, to show results -->
+  <script>
+    // chai has a lot of stuff, let's make assert global
+  </script>
+</head>
+
+<body>
+
+  <!-- the script with tests (describe, it...) -->
+  <!-- <script src="t1.js"></script> -->
+  <script src="t3.js"></script>
+
+  <!-- the element with id="mocha" will contain test results -->
+
+  <!-- run tests! -->
+</body>
+
+</html>
--- a/4.5constructor/t2.js
+++ b/4.5constructor/t2.js
@@ -0,0 +1,12 @@
+function Calculator(){
+    this.read = function(){
+        this.a = +prompt('a?', 0);
+        this.b = +prompt('b?', 0);
+    };
+    this.sum = function(){
+        return this.a + this.b;
+    };
+    this.mul = function(){
+        return this.a * this.b;
+    };
+}
--- a/4.5constructor/t3.js
+++ b/4.5constructor/t3.js
@@ -0,0 +1,11 @@
+function Accumulator(startingValue){
+    this.value = startingValue;
+    this.read = function(){
+        new_value = +prompt("value?", 0);
+        this.value += new_value;
+    }
+}
+
+let accumulator = new Accumulator(1);
+accumulator.read();
+alert(accumulator.value);