Le Hollandais Volant

Imprimer un string de HTML en JS

/*
`domStr` here should contain everything including <html>, the styles, the title and all.
Use the printing dialogue from your browser to toggle the headers, the backgrounds.
*/

function putInIFrame() {
	let domStr = "// HTML string here";
	// your #iframe ; can be [hidden] to avoid it beeing shown on screen
	const hideFrame = document.getElementById('iframe');
	hideFrame.contentWindow.document.body.innerHTML = ""; // empty iframe in case it wasn’t empty
	hideFrame.contentWindow.document.write(domStr); // write domStr to iFrame
	hideFrame.contentWindow.print(); // print iframe

}