Setting the file. One moment.
Skill 03 · Vercel React Best Practices
Subchapter 3.28
rules/js-cache-property-access.mdMarkdown532 BView on GitHub
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)
}