<!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> <!-- 三元运算符 / 三目运算 结构：表达式 ? '真' : '假' --> <script> var a = 10; console.log(a > 5 ? '大于' : '小于') </script> </body> </html>
