<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <style> .box { width: 100px; height: 100px; background-color: goldenrod; position: absolute; left: 0; } </style> </head> <body> <button id="btn1">按钮1</button> <button id="btn2">按钮2</button> <div class="box" id="box"></div> </body> </html> <script> var btn1=document.getElementById("btn1"); var btn2=document.getElementById("btn2"); var box=document.getElementById("box"); function move(speed) { return function () { box.style.left=box.offsetLeft+speed+"px"; } } btn1.onclick=move(5); btn2.onclick=move(-5); </script>
时间: 2024-10-22 12:32:55