Open OPY-bbt opened 4 years ago
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> <script> function delay(s) { return new Promise(function(res, rej) { setTimeout(function() { res(); }, s * 1000); }); } async function main() { for(var i = 1; i < 4; i++) { await delay(i); console.log((new Date()).getSeconds()); } } main(); </script> </body> </html>