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The principles of object-oriented programming are introduced and explained in the context of Node.js. The #1 Complete ...

A quick look at the Ecma Script 2025 features. Topics: - JavaScript 2025; - Global iterator; - Set methods; - JSON modules; ...

toLowerCase and toUpperCase in JavaScript do two complementary things in JavaScript. toLowerCase converts a string to all ...

Douglas Crockford is a software architect and language designer best known for his work on JavaScript, JSON, and for his ...

... not concrete implementations By following these object-oriented programming (OOP) best practices, you'll reduce tight coupling ...

Tired of writing long .reduce() code for grouping data? Check out the new and simpler Object.groupBy() method in JavaScript!

In JavaScript, string lastIndexOf returns the index of the last occurrence of a given substring within a string. Optionally, you can ...

This video teaches about the math sin and cos methods in JavaScript. sin calculates the mathematical sine of a degree value in ...

JavaScript pop first element, this video shows how to do that by using two different methods. This video will show you how to do ...

In JavaScript, trimStart removes whitespace from the start of a string. In contrast, trimEnd removes whitespace from the end of a ...

In JavaScript, string toUpperCase converts a string to all uppercase. JavaScript strings are immutable, so toUpperCase returns a ...

This video shows how to reverse a string in JavaScript using for loop. Basically, you loop backwards and add each individual ...

In JavaScript, string toLowerCase converts a string to all lowercase. JavaScript strings are immutable, so toLowerCase returns a ...

To fix the java.lang.NumberFormatException, check your input to Integer.parseInt and make sure the string you passed in, in some ...

Would you like to watch more videos like this? I need your feedback, so please let me know if you're interested. I'm planning to ...

Welcome to our JavaScript Tutorial for Beginners To Advance! In this video, we'll take you through everything you need to know ...

To fix the JavaScript TypeError: Right-hand side of 'instanceof' is not an object, only put values on the right-hand side of ...

In JavaScript, the array entries method returns an array iterator containing each array item's index and value. This video shows ...

In JavaScript, the or operator is a boolean operator. or only evaluates to false if both operands are false. #javascript #learntocode ...