intro.js/src/util/getPropValue.d.ts

User Onboarding and Product Walkthrough Library

/**
 * Get an element CSS property on the page
 * Thanks to JavaScript Kit: http://www.javascriptkit.com/dhtmltutors/dhtmlcascade4.shtml
 *
 * @api private
 * @returns string property value
 */
export default function getPropValue(element: HTMLElement, propName: string): string;