Forgetting to export a component from its file
Forgetting to Export a Component A common React mistake is creating a component but forgetting to export it from its file, resulting in errors when trying to import and use….
Tag: React components
Using an object directly inside JSX instead of JSON.stringify
Using an object directly inside JSX instead of converting it to a string with JSON.stringify() can lead to errors or unexpected behavior. JSX is designed to render elements, not raw….
Forgetting to use React Fragments (<>…)
Forgetting to Use React Fragments When you forget to use React Fragments (<>…</>) and try to return multiple JSX elements without a wrapper, you’ll encounter the error: “Adjacent JSX elements….
Trying to use multiple root elements in JSX without a wrapper
Using Multiple Root Elements in JSX In React/JSX, you normally can’t return multiple root elements from a component because JSX must have a single parent element. However, there are several….
Passing a function instead of calling it in event handlers (onClick={handleClick()} instead of onClick={handleClick})
Passing vs. Calling Functions in React Event Handlers A common React mistake is accidentally calling a function immediately instead of passing it as an event handler. This can cause unexpected….
Assigning a variable inside JSX without using curly braces
A common mistake in React is trying to assign variables or execute JavaScript expressions directly in JSX without using the required curly braces {}. Here’s how to properly handle variable….
Forgetting to export a component from its file
A common React mistake is creating a component but forgetting to export it, making it unavailable for use in other files. Here’s how to properly handle component exports: The Problem….
Using an object directly inside JSX instead of JSON.stringify
When you try to render an object directly in JSX, React throws an error because objects aren’t valid as React children. Here’s how to properly display object content in your….
Using reserved JavaScript keywords as component names
Handling Reserved Keywords as Component Names in React When working with React components, you need to be careful not to use JavaScript reserved keywords as component names. Here’s how to….
Forgetting to use React Fragments (<>…)
When you need to return multiple elements in JSX without adding an extra DOM node, React Fragments (<>…</>) are the perfect solution. Here’s how to properly use them: The Problem….