How to Change Left Border of HTML Element in JavaScript?

JavaScript – Change the Left Border of HTML Element

To change the left border of a HTML Element using JavaScript, get reference to this HTML element, and assign required value to the element.style.borderLeft property.

In the following example, we will change the left border of HTML Element with id "myElement" to "2px dotted red", in JavaScript, using element.style.borderLeft property.

Example

Conclusion

In this JavaScript Tutorial, we learned how to change the left border of a HTML Element using JavaScript.