点击运行
<!DOCTYPE html> <html> <body> <h1>JavaScript 箭头函数</h1> <p>IE11 或更早版本不支持箭头功能。</p> <p id="demo"></p> <script> const x = (x, y) => { return x * y }; document.getElementById("demo").innerHTML = x(5, 5); </script> </body> </html>
运行结果
