js keydown 重复

document.addEventListener('keydown', function(event) {
    if (event.repeat) {
        // 如果是重复触发，可以选择跳过
        return;
    }
    // 处理首次触发的逻辑
    console.log('Key pressed:', event.key);
});

let lastKeyPressTime = 0;
const debounceTime = 100; // 设置时间间隔为100毫秒

document.addEventListener('keydown', function(event) {
    const currentTime = new Date().getTime();
    if (currentTime - lastKeyPressTime > debounceTime) {
        lastKeyPressTime = currentTime;
        // 处理按键逻辑
        console.log('Key pressed:', event.key);
    }
});

function debounce(func, wait) {
    let timeout;
    return function(...args) {
        clearTimeout(timeout);
        timeout = setTimeout(() => func.apply(this, args), wait);
    };
}

document.addEventListener('keydown', debounce(function(event) {
    console.log('Key pressed:', event.key);
}, 100));

function throttle(func, limit) {
    let inThrottle;
    return function(...args) {
        if (!inThrottle) {
            func.apply(this, args);
            inThrottle = true;
            setTimeout(() => inThrottle = false, limit);
        }
    };
}

document.addEventListener('keydown', throttle(function(event) {
    console.log('Key pressed:', event.key);
}, 100));