How to Parse URL in JavaScript: hostname, pathname, query, hash
Updated January 29, 2023
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How to easily parse URL in JavaScript and access components like hostname, pathname, query, or hash.
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3 Ways to Detect an Array in JavaScript
Posted June 30, 2020
3 ways to check if a value is an array in JavaScript: Array.isArray(), instanceof Array and toString() === '[object Array]'.
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How to Get the Screen, Window, and Web Page Sizes in JavaScript
Posted June 23, 2020
How to get the screen, browser window, and web page sizes (width and height) in JavaScript.
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3 Ways to Check If an Object Has a Property/Key in JavaScript
Updated January 25, 2023
The 3 ways to check if an object has a property or key in JavaScript: hasOwnProperty() method, in operator, comparing with undefined.
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How to Compare Objects in JavaScript
Updated January 28, 2023
How to compare objects in JavaScript: referential, manual, shallow, and deep equality.
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Object.is() vs Strict Equality Operator in JavaScript
Posted May 31, 2020
When should you use Object.is() instead of strict equality check in JavaScript?
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Own and Inherited Properties in JavaScript
Posted May 24, 2020
Knowing the difference between own and inherited properties helps understanding the JavaScript prototypal inheritance.
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5 Differences Between Arrow and Regular Functions
Updated March 21, 2023
The 5 must-know differences between arrow and regular functions in JavaScript.
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How to Use Object Destructuring in JavaScript
Updated January 28, 2023
Object destructuring is a JavaScript feature to extract properties from objects and bind them to variables.
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Your Guide to React.useCallback()
Updated January 28, 2023
React.useCallback() memoizes callback functions.
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About Dmitri Pavlutin
Software developer and sometimes writer. My daily routine consists of (but not limited to) drinking coffee, coding, writing, overcoming boredom 😉. Living in the sunny Barcelona. 🇪🇸
