JavaScript: Print the contents of the current window
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
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JavaScript: Tips of the Day
Checks if the provided argument is array-like (i.e. is iterable)
Example:
const isArrayLike = obj => obj != null && typeof obj[Symbol.iterator] === 'function'; console.log(isArrayLike(document.querySelectorAll('.className'))); // true console.log(isArrayLike('abc')); // true console.log(isArrayLike(null)); // false
Output:
true true false
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