jsdom.js

来自「AJAX and PHP: Building Responsive Web Ap」· JavaScript 代码 · 共 9 行

// declaring new variables
var date = new Date();
var hour = date.getHours();
// demonstrating the if statement
if (hour >= 22 || hour <= 5) 
  document.write("Goodnight, world!");
else
  document.write("Hello, world!");