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Ol start 属性
tryjsref_ol_start2
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<!DOCTYPE html> <html> <body> <ol id="myOl" start="50"> <li>Coffee</li> <li>Tea</li> <li>Milk</li> </ol> <p>Click the button to return the value of the start attribute of the ordered list.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myOl").start; document.getElementById("demo").innerHTML = x; } </script> </body> </html>