Window.open Features 【100% Authentic】

if (!popup) // Popup blocked alert('Popup was blocked. Please allow popups for this site or click the link manually.'); return null;

This approach makes window.open() actually rather than annoying — respectful of user expectations, robust against blockers, and easy to reuse. window.open features

// Focus the new window popup.focus();

function openSmartPopup(url, title, width = 800, height = 600) // Prevent double-popup if already open if (window.popupRef && !window.popupRef.closed) window.popupRef.focus(); return window.popupRef; // Center the window const left = (screen.width - width) / 2; const top = (screen.height - height) / 2; robust against blockers

const popup = window.open(url, title, features); width = 800