標籤：自訂屬性 else over element ack mouseover his this htm
js基礎的自訂屬性練習:
<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>無標題文檔</title><style>li { list-style:none; width:114px; height:140px; float:left; margin-right:20px; }</style><script>window.onload=function(){ var aLi=document.getElementsByTagName(‘li‘); for(var i=0;i<aLi.length;i++){ aLi[i].onOff=true; aLi[i].onmouseover=function(){ if(this.onOff){ this.style.backgroundColor=‘blue‘; this.onOff=false; }else{ this.style.backgroundColor=‘red‘; this.onOff=true; } }; }};</script></head><body><ul> <li></li> <li></li> <li></li></ul></body></html>
js基礎的自訂屬性練習
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