Return the unicodeBidi property:
alert(document.getElementById("myP").style.unicodeBidi);
<!DOCTYPE html> <html> <body> <p>This is a paragraph.</p> <p id="myP" style="direction:rtl;unicode-bidi:bidi-override;">This is another paragraph.</p> <button type="button" onclick="myFunction()">Return the unicodeBidi property</button> <p id="demo"></p> <script> function myFunction() {/*w w w . j ava 2 s .c om*/ document.getElementById("demo").innerHTML = document.getElementById("myP").style.unicodeBidi; } </script> </body> </html>