document.body; 這個是什么意思
<body>
<script type="text/javascript">
var main = document.body;
//創(chuàng)建鏈接
function createa(url,text)
{
?var x=document.createElement("a");
??? x.setAttribute("href",url);
??? x.innerHTML=text;
??? x.style.color="green";
???? main.appendChild(x);
}
// 調(diào)用函數(shù)創(chuàng)建鏈接
createa(" http://yifanck.cn","慕課網(wǎng)")
??
</script>
</body>
2016-10-05
其實就是獲取文檔中的body標簽
2016-09-29
其實意思就是document.getElementsByTagName("body")[0]