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Js滑鼠跟著程式碼小手點選實例方法_javascript技巧

WBOY
WBOY原創
2016-05-16 17:33:411468瀏覽

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]<script> window.onload = function(){ var oCursor = document.getElementById("cursor"); document.onmousemove=function (ev){ var oEvent=ev||event, oWidth = document.documentElement.clientWidth, oHeight = document.documentElement.clientHeight, scrollTop=document.documentElement.scrollTop + oEvent.clientY, scrollLeft=document.documentElement.scrollLeft + oEvent.clientX; if(scrollTop > oHeight-oCursor.offsetHeight){ oCursor.style.top = oHeight-oCursor.offsetHeight+'px'; }else if(scrollTop < 0){ oCursor.style.top = 0; }else{ oCursor.style.top = scrollTop+'px'; } if(scrollLeft > oWidth-oCursor.offsetWidth){ oCursor.style.left = oWidth-oCursor.offsetWidth+'px'; }else{ oCursor.style.left = scrollLeft+'px'; } document.onmousedown = function(){ oCursor.innerHTML = "<img src='http://www.jb51.net/jscss/demoimg/201305/cursor_hover.png' / alt="Js滑鼠跟著程式碼小手點選實例方法_javascript技巧" >"; return false; } document.onmouseup = function(){ oCursor.innerHTML = "<img src='http://www.jb51.net/jscss/demoimg/201305/cursor.png' / alt="Js滑鼠跟著程式碼小手點選實例方法_javascript技巧" >"; } }; } </script>
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