2 年之前 · 35ac3a6b27
--- a/class/buttons/btn.html
+++ b/class/buttons/btn.html
@@ -0,0 +1,14 @@
 
				+<!DOCTYPE html>
			
 
				+<html lang="en">
			
 
				+<head>
			
 
				+    <meta charset="UTF-8">
			
 
				+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
			
 
				+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
			
 
				+    <title>Document</title>
			
 
				+</head>
			
 
				+<body>
			
 
				+    <button id='btn1'>button1</button>
			
 
				+    <button id='btn2'>button2</button>
			
 
				+    <script src="btn.js"></script>
			
 
				+</body>
			
 
				+</html>
			
--- a/class/buttons/btn.js
+++ b/class/buttons/btn.js
@@ -0,0 +1,10 @@
 
				+function clickCounter(btn){
			
 
				+    let sum = 0;
			
 
				+    btn.onclick = () => {
			
 
				+        btn.innerHTML = sum;
			
 
				+        sum++;
			
 
				+        console.log(sum);
			
 
				+    }
			
 
				+};
			
 
				+clickCounter(btn1);
			
 
				+clickCounter(btn2);