当前位置:网站首页>《看完就懂系列》天哪!搞懂节流与防抖竟简单如斯~
《看完就懂系列》天哪!搞懂节流与防抖竟简单如斯~
2022-07-07 10:07:00 【InfoQ】
写在前面
防抖篇
*防抖小故事
*防抖逻辑图
*防抖代码实现
setTimeout
setTimeout
setTimeout
setTimeout
setTimeout
setTimeout
// 防抖初始变量
let debouncTtimeout
// 点击防抖按钮触发函数
function debounce() {
clearTimeout(debouncTtimeout)
debouncTtimeout = setTimeout(function () {
console.log("执行防抖操作啦~")
}, 3000)
}
节流篇
*节流小故事
*节流逻辑图
*节流代码实现
// 节流初始时间戳
let pastDate = new Date().valueOf()
// 点击节流按钮触发函数
function throttle() {
let nowDate = new Date().valueOf()
if (nowDate - pastDate > 3000) {
console.log('执行节流操作啦~')
pastDate = new Date().valueOf()
}
}
总结
写在后面
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