<!DOCTYPE html><html><head><meta charset="UTF-8"><title>Document</title><style>#div1{width:100px;height: 100px;position: absolute;background: red;left: 0;top: 50px;}</style><script>????window.onload=function(){????????function startMove(){????????????var oDiv = document.getElementById('div1');????????????setInterval (function(){????????????oDiv.style.left = oDiv.offsetLeft+10+'px';????????????},30);????}}</script>?</head><body><input type="button" value="開始運動" id="but" onclick="startMove()"/><div id="div1"></div></body></html>
為什么startMove（）顯示沒有定義？
佐心布道者
2016-09-27 11:01:03
