js销毁函数

function handleClick() {
    console.log('Clicked!');
}

// 添加事件监听器
const button = document.getElementById('myButton');
button.addEventListener('click', handleClick);

// 销毁事件监听器
button.removeEventListener('click', handleClick);

let intervalId;

function startAnimation() {
    intervalId = setInterval(() => {
        // 动画逻辑
    }, 100);
}

function stopAnimation() {
    clearInterval(intervalId);
}

const controller = new AbortController();
const signal = controller.signal;

fetch('/api/data', { signal }).then(response => {
    // 处理响应
}).catch(e => {
    if (e.name === 'AbortError') {
        console.log('Fetch operation has been aborted');
    } else {
        // 处理其他错误
    }
});

// 取消请求
controller.abort();