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    JavaScript test

    JavaScript is a high-level programming language that is commonly used for creating dynamic and interactive websites. It was first created by Brendan Eich at Netscape Communications in 1995 and has since become one of the most widely used programming languages on the web.

    JavaScript is often used for creating client-side applications that run in a web browser, but it can also be used for server-side programming with the help of Node.js. It is a versatile language that can be used for a wide range of purposes, from creating animations and interactive user interfaces to building complex web applications.

    Some of the key features of JavaScript include its ability to manipulate the Document Object Model (DOM), which is the structure of a web page, and its support for asynchronous programming, which allows developers to create applications that can run multiple tasks simultaneously without blocking the user interface.

    JavaScript is a dynamically typed language, which means that variables can hold values of any type, and its syntax is similar to that of other C-style programming languages such as C++, Java, and C#. It also has a large and active developer community, which has created many libraries and frameworks to simplify common tasks and extend its capabilities.

    Overall, JavaScript is a powerful and flexible programming language that is essential for modern web development.

    #JavaScript
    #JavaScript_test
    #HTML
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    #JS
    #programming_language
    #front-end
    #developement
    #javascript_exam
    Questions count: 23

    Example of the test

    What is a RESTful API?

    What is a RESTful API?

    An API that uses a stateless, client-server architecture An API that only supports HTTP GET requests An API that only supports JSON data format An API that requires authentication for every request
    How do you add a new HTML element to a web page using JavaScript?

    How do you add a new HTML element to a web page using JavaScript?

    By using the document.createElement() method By using the document.append() method By using the document.querySelector() method By using the document.innerHTML property
    (JavaScript) The purpose of the jQuery library?

    What is the purpose of the jQuery library?

    To simplify JavaScript code and provide cross-browser compatibility To provide a framework for building user interfaces To provide a database management system for web applications To provide a set of tools for building web applications
    Which keyword is used to create a new object in JavaScript?

    Which keyword is used to create a new object in JavaScript?

    object create make new
    What is an event listener in JavaScript?

    What is an event listener in JavaScript?

    A function that is executed when a certain event occurs A callback function that is executed after a set interval of time A property that specifies the type of event to listen for A method that is used to add an event to an HTML element

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