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Bdo dir 属性
tryjsref_bdo_dir2
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<!DOCTYPE html> <html> <body> <p><bdo id="myBdo" dir="rtl">This paragraph will go right-to-left.</bdo></p> <p>Click the button to get the text direction of the text inside the bdo element.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myBdo").dir; document.getElementById("demo").innerHTML = x; } </script> </body> </html>