Check code syntax and avoid using reserved words like "click". Use addEventListener instead of inline event handlers. Ensure event handler function isn't overwritten elsewhere. Call event.preventDefault() for form buttons. Check element isn't covered by other elements
useState adds state variables to React components. Returns array with current state and update function. State variables should be named using array destructuring
Requires Visual Studio Code and Node.js installation. Install Code Runner extension for JavaScript execution. Create JavaScript files with .js extension
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