效果图：
完整代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<style>
table{
width:800px;
text-align: center;
margin: auto;
border-collapse: collapse;
}
td{
width:200px;
border-bottom-style:solid;
border-bottom-color: #f5f5f5;
padding: 10px 0px;
}
</style>
</head>
<body>
<script>
var t=new Array(5);
t[0]=new Array("id","名称","血量","伤害"),
t[1]=new Array("1","gareen","340","58"),
t[2]=new Array("2","teemo","320","76"),
t[3]=new Array("3","annie","380","38"),
t[4]=new Array("4","deadbrother","400","90");
var ta=document.createElement("table");
document.body.appendChild(ta);
var tr=new Array(),
td=new Array(),i,j;
for(i=0;i<5;i++)
{
tr[i]=document.createElement("tr");
ta.appendChild(tr[i]);
for(j=0;j<4;j++)
{
var text=document.createTextNode(t[i][j]);
td[j]=document.createElement("td");
tr[i].appendChild(td[j]);
td[j].appendChild(text);
}
}
</script>
</body>
</html>