1. export function debounce(callback, timeout = 500) {
  2.   let timer = null;
  4.   return (...args) => {
  5.     if(timer !== null) clearTimeout(timer);
  7.     timer = setTimeout(() => {
  8.       callback.call(this, ...args);
  9.       timer = null; // 执行完之后，重置timer
  10.     }, timeout);
  11.   }
  12. }
  14. debounce(() => {}, 1000)

lodash.debounce

  1. import debounce from 'lodash.debounce'
  3. // debounce(func, wait, options)
  5. const onInput = debounce((e) => {}, 150)
  7. const onInput = debounce((e) => {}, 150, {
  8.   loading: false, // 初始化不执行
  9.   trailing: true,
  10.   maxWait: 1000
  11. })

debounce.png

debounce参数

lodash.debounce.png