004.debounce

[mewcoder]

实现防抖函数

[mewcoder]

function debounce(fn, timeout) {
    let timer = null;
    return function (...args) {
        if (timer) {
            clearTimeout(timer);
        }
        timer = setTimeout(() => {
            fn.apply(this, args);
        }, timeout);
    };
}