<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <script> function boom() { document.body.animate([], { duration: 6, easing: "cubic-bezier(0, -1e+39, 0, 0)" }); document.body.animate([], { duration: 6, easing: "cubic-bezier(0, 1e+39, 0, 0)" }); document.body.animate([], { duration: 6, easing: "cubic-bezier(0, 0, 0, -1e+39)" }); document.body.animate([], { duration: 6, easing: "cubic-bezier(0, 0, 0, 1e+39)" }); } </script> </head> <body onload="boom();"></body> </html>