Final Exam: Web Apps Developer

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Final Exam: Web Apps Developer will test your knowledge and application of the topics presented throughout the Web Apps Developer track of the Skillsoft Aspire Web Programmer to Apprentice Programmer Journey.


  • access the previous state of a component
    recall the need for client-side validation
    validate data passed into forms
    use state within the application
    wire up event handlers to delete comments
    wire up event handlers to add new comments
    develop a simple application in the create-react-app environment
    reuse code using composition
    identify the features that make React powerfully
    recognize the phases in a React component's lifecycle
    identify props and state in components and describe when they are used
    update state using this.setState() in a component
    describe how DOM reconciliation works
    configure the Babel preprocessor on CodePen
    describe the concepts underlying important React features
    transfer props from higher to lower-level components manually
    specify default values passed in as props
    recognize the basic components of the web page built using React
    wire up event handlers to elements
    describe what the virtual DOM is and know how it is used
    implement a simple application on CodePen
    perform conditional rendering using variables
    summarize what happens in the mounting phase of a component's lifecycle
    run http-server on the local machine to serve web pages
    build simple components using ES6 classes
    create a production build with minified files
    sketch the right usage of keys in components
    design components using composition
    recall how controlled components work in forms
    wire up a single event handler for multiple inputs
  • describe the advantages of synthetic events
    prevent the browser's default event handling
    implement a simple web page using React APIs
    specify unique keys for list elements
    describe what JSX is and its important features
    store data within a component using state
    reuse code using inheritance
    describe the functionality of the Babel compiler when used with JSX
    evaluate conditions using inline logical operators
    illustrate the use of local state in components
    recognize smart rendering of elements in React
    use ReactDOM.render() to render elements
    recall the use of event propagation in the capture and bubble phases
    install and use create-react-app utilities on the local machine
    recall the differences between props and state
    execute code once a component is mounted to the DOM
    extract state from lower-level components
    install the NodeJS libraries and the npm package manager on Windows
    install and work with React Developer Tools
    wire up event handlers to update the state of a component
    compare controlled and uncontrolled components for form data
    pass data into components using props
    describe what the React library is used for
    use minified, productized React libraries
    perform specific validations on props
    render components using conditional evaluation
    install the NodeJS libraries and the npm package manager on MacOS
    test the form on a web browser
    store state in higher-level components for synchronization
    apply error boundaries to catch errors



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