Avoid duplicate properties in JSX

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Metadata

ID: jsx-react/jsx-no-duplicate-props

Language: JavaScript

Severity: Error

Category: Error Prone

Description

Providing duplicate properties to JSX elements can produce unexpected results in your project.

Non-Compliant Code Examples

<Hello name="John" name="John" />;
<Hello name="John" name="John">foo</Hello>;

Compliant Code Examples

<Hello firstname="John" lastname="Doe" />;

How to use this rule

1
2
rulesets:
  - jsx-react     # Rules to enforce JavaScript react.

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