The Object.keys() method is a built-in function in JavaScript that returns an array of a given object’s own enumerable property names, in the same order as we get with a normal loop. It takes an object as a parameter and returns an array...

In this video, you will learn about arrays and dimensions in JavaScript. You will see how to declare and initialize arrays using literals, variables, and objects, and how to access and modify their elements using index notation and...

This is a solution video where you will learn about compounding and augmented operators in JavaScript.
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This clip is from the chapter "Introduction to Programming and JavaScript Basics for Absolute Beginners" of the series...

In this video, you will learn about incrementing and decrementing operators in JavaScript, which are shorthand notations for adding or subtracting 1 from a variable’s value. You will explore different ways to use these operators and...

This is a solution video where you will learn the difference between var, let, and const in JavaScript.
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This clip is from the chapter "Introduction to Programming and JavaScript Basics for Absolute Beginners" of the series...

This is a solution video where you will work on the remainder operator in JavaScript.
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This clip is from the chapter "Introduction to Programming and JavaScript Basics for Absolute Beginners" of the series "JavaScript Mastery...

In this video, you will dive deeper into the for loop in JavaScript and learn more about its capabilities. You will explore the different parts of a for loop in greater detail, including the loop variable, condition, and increment or...

This is an exercise video on writing a withdrawal function in Solidity.
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This clip is from the chapter "Solidity Patterns I - Cybersecurity" of the series "The Complete Solidity Course - Zero to Advanced for Blockchain and...

In this video, we will discuss the different points of failure that can occur in a smart contract. We will go through some examples of how contracts can be exploited by attackers and discuss some best practices for avoiding common...

This is an exercise video on destructuring and multiple returns from functions in Solidity.
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This clip is from the chapter "Learn Functions in Solidity" of the series "The Complete Solidity Course - Zero to Advanced for...

This is an exercise video on writing a function modifier.
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This clip is from the chapter "Learn Functions in Solidity" of the series "The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts".This...

In this video, you will study how to write a function modifier in Solidity from scratch.
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This clip is from the chapter "Learn Functions in Solidity" of the series "The Complete Solidity Course - Zero to Advanced for...

This is an exercise video on how to assert Ether to Wei.
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This clip is from the chapter "Learn Solidity Basics IV (Conversions and Special Variables)" of the series "The Complete Solidity Course - Zero to Advanced for...

In this video, we will be discussing scope and state in Solidity, covering the difference between state variables and local variables, how scope affects the accessibility of variables and functions, and the importance of understanding...

In this video, you will learn how to copy and paste your first smart contract, which is an essential step in getting started with Solidity programming.
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This clip is from the chapter "Introduction to Solidity (For the Complete...

In the lab video, you will learn how to create and configure alert policies in Google Cloud Monitoring to monitor the metrics of an App Engine application. By the end of this lab, you will have gained hands-on experience with creating...

In this video, you will learn how to compile inverse styling code for your React Native application using ChatGPT analysis. By the end of this video, you will have a better understanding of how to implement inverse styling in your React...

In this video, you will learn about the while loop with exercises—cubes and squares up to limit.

In this video, you will learn about Java for loop—syntax and puzzles.

In this video, you will learn about Java switch statement with puzzles—default, break, and fall through.

In this video, you will learn about programming tip 1: refactoring with Eclipse.

In this video, you will learn about returning from a Java method with exercises.

This video guides you through three GCSE exam style questions on the topic of bearings. Extra practice questions are provided at the end of the video.

Here, we will focus on our local storage. When we create tasks in our TaskMate, we need to provide the app a local storage to store the tasks that we create.