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JavaScript Promise finally() 方法
tryjsref_promise_finally
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<!DOCTYPE html> <html> <body> <h1>JavaScript Promise Object</h1> <h2>The finally() Method</h2> <p id="demo"></p> <script> // Create a Promise Object let myPromise = new Promise(function(myResolve, myReject) { let result = false; // Code that might take some time goes here if (result == true) { myResolve("OK"); } else { myReject("Error"); } }); // Using finally() myPromise.finally(myDisplay("Execution Settled")); // Funtion to run when Promise is settled: function myDisplay(some) { document.getElementById("demo").innerHTML = some; } </script> </body> </html>