元素跟着鼠标移动
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <style type="text/css"> *{ margin: 0; padding: 0; } .box{ width: 100px; height: 100px; background-color: #bfa; position: relative; top:0; left: 0; } </style> <script type="text/javascript"> //实现鼠标在哪box元素跟着动 window.onload = function(){ //获取body跟html var Boss = document.body || document.documentElement; var obox = document.querySelector(".box"); //给boss添加事件 Boss.onmousemove = function(e){ //兼容性 var res = window.e || e; var x = res.clientX - (obox.offsetWidth/2); var y = res.clientY - (obox.offsetHeight/2); //设置box obox.style.left = x +"px"; obox.style.top = y +"px"; console.log(x,y) } } </script> </head> <body> <div class="box"></div> </body> </html>