<!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/三目运算： 结构： 条件?'条件成立返回的值':'条件不成立返回的值' --> <script> var a = 20; console.log(a>5?'真真':"假假"); </script> </body> </html>
