function highlightRows(){ if(!document.getElementsByTagName)return false; var rows=document.getElementsByTagName("tr"); for(var i=0;i<rows.length;i++){ rows[i].onmouseover=function(){ this.style.fontWeight="bold"; } rows[i].onmouseout=function(){ this.style.fontWeight="normal" } } }
請問這里的this代表什么
我要去幼兒園深造了
2016-06-11 16:01:51
