<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Promise API - reject</title> </head> <body> <script> // let p = Promise.reject(521); // let p2 = Promise.reject('iloveyou'); let p3 = Promise.reject(new Promise((resolve, reject) => { resolve('OK'); })); console.log(p3); </script> </body> </html>