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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- </head>
- <body>
- <script>
- var age = parseInt(window.prompt("请输入年龄"));
- function ageFun(_age) {
- if(_age<14){
- return "儿童"
- }else if(_age>=14&&_age<24){
- return "青少年"
- }else if(_age<40 && _age>=24){
- return "青年"
- }else if(_age>=40 && _age<60){
- return "中年"
- }else{
- return "老年"
- }
- }
- console.log(ageFun(age));
- </script>
- </body>
- </html>
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