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August 29, 2015 14:22
addEventListener
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Document</title> | |
| <style type="text/css"> | |
| #inputField { | |
| width: 94px; | |
| margin-bottom: 5px; | |
| } | |
| </style> | |
| <script type="text/javascript"> | |
| window.onload = function (e) { | |
| var form = document.querySelectorAll('div')[0], | |
| inputField = document.getElementById('inputField'); | |
| form.addEventListener('click', function (e) { | |
| if (e.target.value) { | |
| inputField.value += e.target.value; | |
| } | |
| }); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <div> | |
| <input id="inputField" type="text"> | |
| <br /> | |
| <input type="button" value="1"> | |
| <input type="button" value="2"> | |
| <input type="button" value="3"> | |
| <br /> | |
| <input type="button" value="4"> | |
| <input type="button" value="5"> | |
| <input type="button" value="6"> | |
| <br /> | |
| <input type="button" value="7"> | |
| <input type="button" value="8"> | |
| <input type="button" value="9"> | |
| </div> | |
| </body> | |
| </html> |
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