The Table deleteTHead() method is used for deleting a <thead> element and its content from a table.
It can be only used if a <thead> element already exists.
Syntax
tableObject.deleteTHead()
Below program illustrates the Table deleteTHead() method :
Example-1: Deleting a <thead> element.
<!DOCTYPE html> < html >
< head >
< title >Table deleteTHead() Method in HTML
</ title >
< style >
table,
td {
border: 1px solid green;
}
h1 {
color: green;
}
h2 {
font-family: Impact;
}
body {
text-align: center;
}
</ style >
</ head >
< body >
< h1 >GeeksforGeeks</ h1 >
< h2 >Table deleteTHead() Method</ h2 >
< p >To create a Header for the table,
double-click the "Add Header" button.</ p >
< p >To delete the Header from the table,
double-click the "Delete Header" button.</ p >
< table id = "Courses" align = "center" >
< tr >
< td >Java</ td >
< td >Fork Java</ td >
</ tr >
< tr >
< td >Python</ td >
< td >Fork Python</ td >
</ tr >
< tr >
< td >Placements</ td >
< td >Sudo Placement</ td >
</ tr >
</ table >
< br >
< button ondblclick = "Add_Head()" >
Add Header
</ button >
< button ondblclick = "Delete_Head()" >
Delete Header
</ button >
< script >
function Add_Head() {
var MyTable =
document.getElementById("Courses");
// Creating table.
var MyHeader =
MyTable.createTHead();
var MyRow = MyHeader.insertRow(0);
var MyCell = MyRow.insertCell(0);
MyCell.innerHTML =
"< strong >GeeksforGeeks.</ strong >";
}
function Delete_Head() {
// Delete thead.
document.getElementById(
"Courses").deleteTHead();
}
</ script >
</ body >
</ html >
|
Output:
-
Before clicking the “Add Header” button:
-
After clicking the “Add Header” button:
-
After clicking the “Delete Header” button:
Supported Browsers:
- Apple Safari
- Internet Explorer
- Firefox
- Google Chrome
- Opera