HTML DOM Table createTHead () method
Table Object Definition and Usage
createTHead () method is used to get a table or create a <thead> element.
Note: If thead elements If the table already exists, createTHead () method returns a value exists, does not return a new <thead> element
Tip: Use the Remove thead element in the table deleteTHead () method.
grammar
tableObject.createTHead()
Browser Support
All major browsers support createTHead () method
Examples
Examples
Create and delete thead elements:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function createTHead(){
var x=document.getElementById("myTable");
if (!x.tHead){
var header=x.createTHead();
var row=header.insertRow(0);
var cell=row.insertCell(0);
cell.innerHTML="<b>这是个表头</b>";
}
}
function deleteTHead(){
document.getElementById("myTable").deleteTHead();
}
</script>
</head>
<body>
<table id="myTable" border="1">
<tr>
<td>cell 1</td>
<td>cell 2</td>
</tr>
<tr>
<td>cell 3</td>
<td>cell 4</td>
</tr>
</table>
<br>
<button type="button" onclick="createTHead()">创建表头</button>
<button type="button" onclick="deleteTHead()">删除表头</button>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function createTHead(){
var x=document.getElementById("myTable");
if (!x.tHead){
var header=x.createTHead();
var row=header.insertRow(0);
var cell=row.insertCell(0);
cell.innerHTML="<b>这是个表头</b>";
}
}
function deleteTHead(){
document.getElementById("myTable").deleteTHead();
}
</script>
</head>
<body>
<table id="myTable" border="1">
<tr>
<td>cell 1</td>
<td>cell 2</td>
</tr>
<tr>
<td>cell 3</td>
<td>cell 4</td>
</tr>
</table>
<br>
<button type="button" onclick="createTHead()">创建表头</button>
<button type="button" onclick="deleteTHead()">删除表头</button>
</body>
</html>
try it"
Table Object