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  • 防抖,节流写法

    <body>
      <div id="app">
        <button class="btn">我是防抖函数</button>
      </div>
      <script>
        document.querySelector('.btn').addEventListener('click',debounce(handle,1000))
        function debounce(fn,t){
          let time = null
          return function(){
            if(time != null){
              clearTimeout(time)
            }
            time = setTimeout(fn,t)
          }
        }
        function handle(){
          console.log(1111)
        }
      </script>
    </body>
     
     
     
    <body>
        <div id="app">
            <button class="btn">我是节流函数</button>
        </div>
        <script>
            document.querySelector('.btn').addEventListener('click',throttle(handle,2000))
            function throttle(fn,t){
                let flag = true
                return function(){
                    if(!flag)return
                    flag = false
                    setTimeout(()=>{
                        fn()
                        flag = true
                    },t)
                }
            }
            function handle(){
                console.log(111)
            }
        </script>
    </body>
     
    写几遍你会感谢我的
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  • 原文地址:https://www.cnblogs.com/MDGE/p/10385339.html
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