嵌套if

xiaoxiao2021-02-28  105

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title></title> </head> <body> <script> var score = true; var daliy = true; if(score&&daliy){ alert('恭喜') } else{ if(!score){ alert('成绩未通过') } else if(!daliy){ alert('考勤未通过') } else{ alert('其他原因') } } </script> </body> </html>
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