应用场景:在基于搜索操作时,延时刷新list
export const _debounce = (fn, delay = 500, ctx) => {
let timeoutVal
const cacrryFun = (...args) => {
timeoutVal && clearTimeout(timeoutVal)
timeoutVal = setTimeout(() => {
fn.apply(ctx, args)
}, delay)
}
return cacrryFun
}
在lodash的js库中,也有类似实现
const cacrryFun = () => {
_.debounce(() => {
// to do something
}, 250)
}
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