function debounce(fn, delay) {
let timer
return function (...args) {
if (timer) {
clearTimeout(timer)
}
timer = setTimeout(() => {
fn.apply(this, args)
}, delay)
}
}
// 测试
function task() {
console.log('run task')
}
const debounceTask = debounce(task, 1000)
window.addEventListener('scroll', debounceTask)
标签：function,防抖,task,args,timer,delay From： https://www.cnblogs.com/qingshuihongye/p/16719852.html