js用switch輸出成績是否合格
阿新 • • 發佈:2021-02-10
技術標籤:jsjavascript
程式碼:
<!DOCTYPE html> <html lang="zh"> <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>switch成績大於60合格,小於60不合格</title> <script type="text/javascript"> var grade = +prompt("請輸入成績:"); switch(true){ case grade>=60 && grade <=100: console.log("合格"); break; case (grade >= 0 && grade <60): console.log("不合格"); break; default: console.log("不在成績範圍內。。"); break; } </script> </head> <body> </body> </html>
執行結果: