<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style> .box{ width: 512px; height: 400px; margin:100px auto; overflow: hidden; position: relative; border: 1px solid red; } .box img{ position: absolute; left: 0; top: 0; } .box div{ width: 512px; height: 200px; position: absolute; left: 0; } .up{ top:0; } .down{ top: 200px; } </style> <script> window.onload = function(){ function $(id){ return document.getElementById(id);} var num = 0; var timer; var timer1; $("picup").onmouseover = function(){ //往下走 timer = setInterval(function(){ if(num>=0){ clearInterval(timer); }else{ num+=3; $("pic").style.top = num +"px"; } },10); } $("picup").onmouseleave = function(){ clearInterval(timer); } $("picdown").onmouseover = function(){ //往上走 timer1 = setInterval(function(){ if(num <= -1070){ clearInterval(timer1); }else{ num-=3; $("pic").style.top = num +"px"; } },30); } $("picdown").onmouseleave = function(){ clearInterval(timer1); } } </script> </head> <body> <div> <img src="https://www.jb51.net/article/mi.png" alt=""> <div></div> <div></div> </div> </body> </html>
js仿小米手机上下滑动效果
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