Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <head> <style> .example { color: red; padding: 5px; width: 150px; font-size: 15px; } </style> </head> <body> <p>单击按钮可获取按钮元素的所有属性名称。</p> <button id="myBtn" onclick="myFunction()" class="example">试一试</button> <p id="demo"></p> <script> function myFunction() { var txt = ""; var x = document.getElementById("myBtn").attributes; var i; for (i = 0; i < x.length; i++) { txt += "属性名称：" + x[i].name + "<br>"; } document.getElementById("demo").innerHTML = txt; } </script> </body> </html>