JavaScript: Print the contents of the current window

Last update on May 30 2022 10:06:57 (UTC/GMT +8 hours)

JavaScript Basic: Exercise-2 with Solution

Write a JavaScript function to print the contents of the current window.

Sample Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Print the current page.</title>
</head>
<body>
<p></p>
<p>Click the button to print the current page.</p>
<button onclick="print_current_page()">Print this page</button>
</body>
</html>

JavaScript Code:

function print_current_page()
{
window.print();
}

Sample Output:

Click the button to print the current page.

Explanation:

window.print(): The window object represents a window containing a DOM document; the document property points to the DOM document loaded in that window, window.print() is used to open the Print Dialog to print the current document.

ES6 Version:

function print_current_page()
{
window.print();
}

Live Demo:

See the Pen JavaScript current day and time - basic-ex-2 by w3resource (@w3resource) on CodePen.

Improve this sample solution and post your code through Disqus

Previous: Write a JavaScript program to display the current day and time in a specific format.
Next: Write a JavaScript program to get the current date.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.

JavaScript: Tips of the Day

How to insert an item into an array at a specific index (JavaScript)?

What you want is the splice function on the native array object.

arr.splice(index, 0, item); will insert item into arr at the specified index (deleting 0 items first, that is, it's just an insert). In this example we will create an array and add an element to it into index 2:

var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";

console.log(arr.join());
arr.splice(2, 0, "Lene");
console.log(arr.join());

Ref: https://bit.ly/2BXbp04