JavaScript – Change the Border Style of Div

To change the border style of a div using JavaScript, get reference to the element, and assign required border style value to the property.

borderStyle property takes one of the following values.

  • dotted
  • dashed
  • solid
  • double
  • groove
  • ridge
  • inset
  • outset
  • none
  • hidden


<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8">
    <h2>Change Border Style of Div in JavaScript</h2>
    <div id="myDiv" style="border:2px solid green">
        <p>This is a paragraph in Div.</p>
        <span>This is a span in Div.</span>
    <button type="button" onclick="changeStyle()">Click Me</button>
    function changeStyle(){
        var element = document.getElementById("myDiv"); = "dashed";
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In this JavaScript Tutorial, we learned how to change the border style of a div using JavaScript.