Return the right border style of a <div> element:
alert(document.getElementById("myDiv").style.borderRightStyle);
<!DOCTYPE html> <html> <body> <div id="myDiv" style="border-right:double;">This is a div.</div> <br> <button type="button" onclick="myFunction()">Return right border style</button> <p id="demo"></p> <script> function myFunction() {//from w ww . j a v a 2 s . c om document.getElementById("demo").innerHTML = document.getElementById("myDiv").style.borderRightStyle; } </script> </body> </html>