Detect if scroll() takes ScrollToOptions

scrollToOptions.js

var isSmoothScrollSupported = 'scrollBehavior' in document.documentElement.style;

var scrollToOptions = {
  top: 100,
  left: 100,
  behavior: 'smooth'
}; 

if (isSmoothScrollSupported) {
    // Native smooth scrolling
    window.scroll(scrollToOptions);
} else {
    // Old way scrolling without effects
    window.scroll(scrollToOptions.left, scrollToOptions.top);
}