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Format: YYYY-MM-DD-description.md - 2026-01-19-infrastructure-deployment.md - 2026-01-19-backend-api-implementation.md (in progress) Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>
532 B
532 B
title, impact, impactDescription, tags
| title | impact | impactDescription | tags |
|---|---|---|---|
| Cache Property Access in Loops | LOW-MEDIUM | reduces lookups | javascript, loops, optimization, caching |
Cache Property Access in Loops
Cache object property lookups in hot paths.
Incorrect (3 lookups × N iterations):
for (let i = 0; i < arr.length; i++) {
process(obj.config.settings.value)
}
Correct (1 lookup total):
const value = obj.config.settings.value
const len = arr.length
for (let i = 0; i < len; i++) {
process(value)
}