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<!DOCTYPE html> <html> <body> <h1>JavaScript Promises</h1> <h2>Promise.withResolvers()</h2> <h2>(async/await version)</h2> <p id="demo">Wait 2 seconds.</p> <script> let text = ""; const {promise, resolve, reject} = Promise.withResolvers(); // Simulate async work setTimeout(() => { Math.random() > 0.5 ? resolve("Operation successful!") : reject("Operation failed!"); }, 2000); // Use async/await to handle the promise (async () => { try { text = await promise; // Wait for resolve } catch (err) { text = err; // Handle reject } // Update the UI after promise finishes document.getElementById("demo").innerHTML = text; })(); </script> </body> </html>
