If undefined is a meaningful value, replace it with a variable. E.g. We will do something if scoreType is all.
undefined
scoreType
all
Bad
if (scoreType === undefined) { // do something }
Good:
const all = undefined; if(scoreType === all) { // do something }
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If
undefined
is a meaningful value, replace it with a variable. E.g. We will do something ifscoreType
isall
.Bad
Good: