Window: beforeprint event

The beforeprint event is fired when the associated document is about to be printed or previewed for printing.

Examples

Using addEventListener():

window.addEventListener('beforeprint', (event) => {
  console.log('Before print');
});

Using the onbeforeprint event handler property:

window.onbeforeprint = (event) => {
  console.log('Before print');
};

Specification
HTML Standard (HTML) # event-beforeprint

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`beforeprint_event`	63	12	6	Yes	50	13	63	63	?	46	13	8.0