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Disallow duplicate properties in JSX (react/jsx-no-duplicate-props)

💼 This rule is enabled in the ☑️ recommended config.

Creating JSX elements with duplicate props can cause unexpected behavior in your application.

Rule Details

Examples of incorrect code for this rule:

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

Examples of correct code for this rule:

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

Rule Options

"react/jsx-no-duplicate-props": [<enabled>, { "ignoreCase": <boolean> }]


When true the rule ignores the case of the props. Default to false.

When Not To Use It

If you are not using JSX then you can disable this rule.