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Original
2026-01-01
Modified
2026-02-21
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<p>Objects are the most interesting and feature-rich data type in JavaScript. It can be used to store information (a set of heterogeneous data) about an object in the real world, such as a Hexlet user. A Hexlet user may be characterized as having an email, name, password, and other parameters. All of this can be "packed" into one object.</p>
1
<p>Objects are the most interesting and feature-rich data type in JavaScript. It can be used to store information (a set of heterogeneous data) about an object in the real world, such as a Hexlet user. A Hexlet user may be characterized as having an email, name, password, and other parameters. All of this can be "packed" into one object.</p>
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<p>The contents of the<em>package.json</em>file can also be represented as a JavaScript object. Moreover, the name JSON itself stands for<em>JavaScript Object Notation</em>:</p>
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<p>The contents of the<em>package.json</em>file can also be represented as a JavaScript object. Moreover, the name JSON itself stands for<em>JavaScript Object Notation</em>:</p>
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<p>And finally, as hard as it may be to believe, functions and arrays in JavaScript are also objects.</p>
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<p>And finally, as hard as it may be to believe, functions and arrays in JavaScript are also objects.</p>
4
<p>Objects in JavaScript permeate the whole of development from start to finish. They are ubiquitous and used in real-world applications, often for several purposes at once. They are used both as associative arrays (storing key-value pairs) and as objects in the sense of object-oriented programming, which we will definitely get to know later.</p>
4
<p>Objects in JavaScript permeate the whole of development from start to finish. They are ubiquitous and used in real-world applications, often for several purposes at once. They are used both as associative arrays (storing key-value pairs) and as objects in the sense of object-oriented programming, which we will definitely get to know later.</p>
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<p>Knowing how to work with objects in JavaScript is a skillset basis that enables novice programmers to solve pretty complex problems. In this course, there will be a gradual introduction to objects and their capabilities. We'll cover the syntax, real-world use cases, and operators and look at the concept of destructuring and ways to traverse object properties in a loop.</p>
5
<p>Knowing how to work with objects in JavaScript is a skillset basis that enables novice programmers to solve pretty complex problems. In this course, there will be a gradual introduction to objects and their capabilities. We'll cover the syntax, real-world use cases, and operators and look at the concept of destructuring and ways to traverse object properties in a loop.</p>