我试图跟随视频,但按钮不工作。我不能按按钮。我如何修复我的代码?
我的代码
function increment() {
console.log("added");
}
<!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>
<link rel="stylesheet" href="index.css">
</head>
<body>
<h1>Amount:</h1>
<h2 id="count-el">0</h2>
<button id="increment-btn" onclick="increment()">INCREMENT</button>
<script src="index.js"></script>
</body>
</html>
我不知道从这里往哪里走
您的代码似乎运行良好,我只是添加了增量函数。您将看到按钮工作。:)
function increment() {
document.getElementById("count-el").innerHTML = eval(document.getElementById("count-el").innerHTML) + 1;
}
<!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>
<link rel="stylesheet" href="index.css">
</head>
<body>
<h1>Amount:</h1>
<h2 id="count-el">0</h2>
<button id="increment-btn" onclick="increment()">INCREMENT</button>
<script src="index.js"></script>
</body>
</html>