Window.open Features Site

function getCenteredFeatures(w = 800, h = 600) const left = (screen.width - w) / 2; const top = (screen.height - h) / 2; return `width=$w,height=$h,left=$left,top=$top,resizable=yes,scrollbars=yes,toolbar=yes,location=yes`;

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

// This will likely be blocked by default browser configurations: setTimeout(() => window.open("https://example.com"); , 5000); // This will succeed: document.getElementById("openBtn").addEventListener("click", () => window.open("https://example.com", "_blank", "popup=1"); ); Use code with caution. 2. Cross-Origin Security Restrictions function getCenteredFeatures(w = 800, h = 600) const

Some browsers allow you to specify a custom icon for the new window. function getCenteredFeatures(w = 800

The behavior of the windowFeatures string relies on specific formatting rules:

You can pass data to the new window using the postMessage method.