[Webkit-unassigned] [Bug 186480] New: IntersectionObserver freezes safari on localhost

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=186480

            Bug ID: 186480
           Summary: IntersectionObserver freezes safari on localhost
           Product: WebKit
           Version: Safari 11
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Trivial
          Priority: P2
         Component: Event Handling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: markus at thiels.se

Started by posting the issue here https://github.com/w3c/IntersectionObserver/issues/302#issuecomment-395895715 
Problem only occurs on localhost


const IntersectionObserverOptions = {
  rootMargin: '0px 0px 800px 0px',
  threshold: 0.0
};
this.iIntersectionObserver = new IntersectionObserver(entries => {
  if (entries[0].intersectionRatio <= 0) { return; }
  if (entries[0].isIntersecting) {
    this.iIntersectionObserver.unobserve(entries[0].target);
    this.loadMoreProducts.emit();
  }
}, IntersectionObserverOptions);

removing this makes the page load properly

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