How to set all the four border radius properties at once with JavaScript?

To set all the border-radius properties in JavaScript, use the borderRadius property. Set the border-radius properties at once using this.


You can try to run the following code to learn how to set all the four border-radius properties −

Live Demo

<!DOCTYPE html>
         #box {
            border: thick solid gray;
            width: 200px;
            height: 200px
      <div id="box">Demo Text</div>
      <button type="button" onclick="display()">Add border radius</button>
         function display() {
            document.getElementById("box").style.borderRadius = "20px";
Lakshmi Srinivas
Lakshmi Srinivas

Programmer / Analyst / Technician