To pop-up a print dialog box using JavaScript, use the print() method. With the dialog box, you can easily set the printing options like which printer to select for printing.
This is the dialog box −
Example
You can try to run the following code to learn how to print a page −
Live Demo
<!DOCTYPE html>
<html>
<body>
<button onclick="display()">Click to Print</button>
<script>
function display() {
window.print();
}
</script>
</body>
</html>