js运动 摩擦运动
<!DOCTYPE HTML> <HTML> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title></title> <style> *{ margin:0; padding:0; } #div1{ height:100px; width: 100px; background: red; position:absolute; margin-left: 5px; } </style> <script> window.onload = function () { var odiv = document.getElementById('div1'); var oinput = document.getElementsByTagName('input')[0]; oinput.onclick = function () { ToMove(odiv,500,50); } function ToMove(obj,goal,speed) { clearInterval(obj.timer); obj.timer = setInterval(function(){ var icur = obj.offsetLeft; if(icur >= goal) { clearInterval(obj.timer); } else { speed *= 0.9; obj.style.left = obj.offsetLeft + speed + 'px'; } },50); } } </script> <body> <input type="button" value = "提交"> <div id="div1"></div> </body> </HTML>