How Do I Retrieve HTML Element Style Values in JavaScript Across Different Browsers?

Retrieving HTML Element Style Values in JavaScript In JavaScript, obtaining the inline styling of an element is straightforward. However, accessing styles set via the tag requires a slightly different approach.

To retrieve computed style values, JavaScript provides the getComputedStyle method, accessible through the document.defaultView object. This method standardizes cross-browser style retrieval and presents values converted to pixel units. Here's how to use it:

let element = document.getElementById("box"); let width = getComputedStyle(element).getPropertyValue("width"); For older browsers like Internet Explorer, a different approach is needed. IE supports the element.currentStyle property, which expects style property names in camelCase format and returns values in their original units:

let width = element.currentStyle.width; To ensure cross-browser compatibility, you can use a helper function like the following: