我正在尝试创建一个 eventListener。为什么它不起作用?

I'm trying to create an eventListener. Why won't it work?

我只是想让导航按钮保持彩色 'onclick'。我不明白为什么它不起作用...有人可以帮忙吗?

const about = document.getElementById('about-btn');

  about.addEventListener ('click' () => {
    about.style.backgroundColor = "#AAE0CE";
});

你有空格,无论如何都会给你错误:

const about = document.getElementById('about-btn');

about.addEventListener('click', () => {
  about.style.backgroundColor = "#AAE0CE";
});