<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>google hot</title>
<script>
function ov(){
var table = document.getElementById("tab");
for(var i = 0; i<10; i++){
var tr1 = document.createElement("tr");
table.appendChild("tr1");
for(var j = 0; j<3; j++){
var td = document.createElement("td");
td.appendChild("tr1");
}
}
}window.onload = ov();
</script>
</head><body>
<table = id="tab" background="#000" border="2"></table></body>
</html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>google hot</title>
<script>
function ov(){
var table = document.getElementById("tab");
for(var i = 0; i<10; i++){
var tr1 = document.createElement("tr");
table.appendChild("tr1");
for(var j = 0; j<3; j++){
var td = document.createElement("td");
td.appendChild("tr1");
}
}
}window.onload = ov();
</script>
</head><body>
<table = id="tab" background="#000" border="2"></table></body>
</html>
除1楼外,这句多了个 =
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>google hot</title>
<script>
function ov(){
var table = document.getElementById("tab");
for(var i = 0; i<10; i++){
var tr1 = document.createElement("tr");
table.appendChild("tr1");
for(var j = 0; j<3; j++){
var td = document.createElement("td");
tr1.appendChild("td");
}
}
}
window.onload = ov();
</script>
</head><body>
<table id="tab" background="#000" border="2"></table>还是不行
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>google hot</title>
<script>
function ov()
{
var tab = document.getElementById("tab");
for(var i = 0; i<10; i++)
{
var tr1 = tab.insertRow();
for(var j = 0; j<3; j++)
{
var td = tr1.insertCell();
td.innerHTML="HH";
} }
}
//window.onload = ov();
</script>
</head><body onload="ov()"><table id="tab" background="blue" border="2">
</table></body>
</html>
函数名字不带括号
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>google hot</title>
<script>
function ov(){
var table = document.getElementById("tab");
var tbody = document.createElement("tbody");
table.appendChild(tbody);
for(var i = 0; i<10; i++){
var tr1 = document.createElement("tr");
tbody.appendChild(tr1);
for(var j = 0; j<3; j++){
var td = document.createElement("td");
td.innerHTML = i+"-"+j;
tr1.appendChild(td);
}
}
}
window.onload = ov;
</script>
</head><body>
<table id="tab" background="#000" border="2">
</table>
</body>
</html>