added thisthat

thisthat/main.js

@@ -0,0 +1,40 @@
+
+class FatBoom{
+    word(){
+        return "boom de fat classe";
+    }
+
+    boom = (evt) => {
+        alert(this.word())
+    }
+}
+
+class Boom{
+    word(){
+        return "boom de classe";
+    }
+
+    boom(evt){
+        alert(this.word())
+    }
+}
+
+function boom(){
+    alert("hello world")
+}
+
+const fatBoom = () => {
+    alert("HELLO WORLD")
+}
+
+document.getElementById("button")
+    .addEventListener("click", boom)
+
+document.getElementById("button1")
+    .addEventListener("click", fatBoom)
+
+document.getElementById("button2")
+    .addEventListener("click", (new Boom()).boom)
+
+document.getElementById("button3")
+    .addEventListener("click", (new FatBoom()).boom)