JS CONSOLE SNIPPETS

js_console_snippets.md

Enable select and copy on every element of a web page

document.querySelectorAll('*').forEach(el => { el.style.userSelect = 'auto'; el.style.webkitUserSelect = 'auto'; el.style.mozUserSelect = 'auto'; el.style.msUserSelect = 'auto'; el.oncontextmenu = null; el.onselectstart = null; el.ondragstart = null; el.onmousedown = null; }); document.onselectstart = null; document.oncontextmenu = null; document.ondragstart = null; document.onmousedown = null; document.body.style.userSelect = 'auto';

Print single page PDF

heightMultiplier = 10;
document.head
    .appendChild(document.createElement("style"))
    .sheet.insertRule(`@page { size: 21cm ${heightMultiplier * 29.7}cm; }`, 0);
window.print();