代码示例:(标识:js_arrow_function)
<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 函数</h1>

<h2>箭头函数</h2>

<p>这个例子展示了箭头函数的语法,以及如何使用它。</p>

<p id="demo"></p>

<script>
let myFunction = (a, b) => a * b;
document.getElementById("demo").innerHTML = myFunction(4, 5);
</script>

</body>
</html>
运行结果: