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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>
- <div id="box" data-aa="你好" data-aa-bb="ab"></div>
- <script>
- const box1 = document.getElementById("box");
- box1.setAttribute('address','哈尔滨');
- console.log(box.getAttribute("address"));
- box1.dataset.bb = 'hi';
- console.log(box1.dataset.aa);
- console.log(box1.dataset.bb);
- console.log(box1.dataset.aaBb);
- box1.cc = '12';
- console.log(box1.cc);
- </script>
- </body>
- </html>
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