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Dev.to
7/7/2026
Day 108 of Learning MERN Stack

Day 108 of Learning MERN Stack

Short summary

Dev documents Day 108 of learning MERN stack, building a Runner Game with an Object Recycler Algorithm to avoid garbage collection spikes. Instead of creating/destroying DOM nodes, the engine recycles hurdle objects dynamically using boundary offsets. Includes code snippet for hurdle reset logic.

  • Object Recycler Algorithm eliminates GC spikes in infinite scrollers
  • Recycles DOM objects via boundary offset tracking instead of create/delete
  • Practical code implementation included

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