Return the display type of a <p> element:
alert(document.getElementById("myP").style.display);
<!DOCTYPE html> <html> <body> <p id="myP" style="display:none;">This is a p element.</p> <button type="button" onclick="myFunction()">Return the display type of p</button> <p id="demo"></p> <script> function myFunction() {//ww w. ja va 2s . c om document.getElementById("demo").innerHTML = document.getElementById("myP").style.display; } </script> </body> </html>