<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title></title> </head> <body> <div> </div> <script> function getTimeState() { // 获取当前时间 let timeNow = new Date(); // 获取当前小时 let hours = timeNow.getHours(); // 设置默认文字 let state = ``; // 判断当前时间段 if (hours >= 0 && hours <= 10) { state = `早上好!`; } else if (hours > 10 && hours <= 14) { state = `中午好!`; } else if (hours > 14 && hours <= 18) { state = `下午好!`; } else if (hours > 18 && hours <= 24) { state = `晚上好!`; } return state; } let a = getTimeState(); console.log(a); </script> </body> </html>
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