High
Javascript
Use const and let, never var
Official
Rule Description
`const` by default, `let` for reassignment. Never `var` (hoisting bugs).
Included in Rulesets
React Standards
60 rules • 1 standard
Vue Best Practices
60 rules • 1 standard
Angular Guidelines
60 rules • 1 standard
Next.js Patterns
60 rules • 1 standard
Express Standards
60 rules • 1 standard
JavaScript Guide
60 rules • 2 standards
TypeScript Guide
60 rules • 4 standards
Code Review Standards
214 rules • 0 standards
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- Severity
- High
- Category
- Javascript
- Used in
- 8 rulesets