css-通过css让块显示或隐藏
<!DOCTYPE html> <html lang="en"> <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>Document</title> <style> .box { width: 200px; height: 200px; background: yellow; cursor: pointer; position: relative; } .box1{ width: 116px; height: 133px; background: pink; display: none; position: absolute; top: 130px; right: -16px; } .box:hover .box1 { display: block; } </style> </head> <body> <div class="box"> <div class="box1">1213</div> </div> </body> </html>