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Ben Nadel
On User Experience (UX) Design, JavaScript, ColdFusion, Node.js, Life, and Love.

Ben Weigt

Member since Mar 4, 2021

Recent Blog Comments By Ben Weigt

  • IntersectionObserver API Performance: Many vs. Shared In Angular 11.0.5

    Posted on Apr 29, 2021 at 2:24 AM

    @Ben, To clarify, I came to two main conclusions. Firstly, that the cost IntersectionObserver incurs performing the task of actually calculating intersections is embedded in the composite layers phase of the frame preceding the callback. The callback itself appears to be fairly well unencu... read more »

  • IntersectionObserver API Performance: Many vs. Shared In Angular 11.0.5

    Posted on Mar 4, 2021 at 1:58 AM

    Great analysis. A quick note on chrome's performance monitor - the time taken specifically finding intersection changes by observers appears to take place during the composite layers phase of render. This overhead can be surprisingly high, and appears to effect every render frame for the... read more »