Swift Tutorial for Beginners: A Free Course [in 2022]

Welcome to Learn iOS Development & Swift This is a comprehensive and free guide to Swift programming. This course is designed for complete beginners. The first step toward becoming an iOS developer is learning the Swift programming language. If you have no previous experience with Swift or any other programming language, you’ve come to the …

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“let” vs “var” in JavaScript: A Comprehensive Guide [in 2022]

The main difference between let and var in JavaScript is: var declarations are function-scoped. let declarations are block-scoped. This means you can have multiple let variables with the same name as long as they live in different scopes, such as in different functions. For instance: In addition to this, there is a bunch of important …

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JavaScript Semicolon: Do You Really Need It? [2022 Guide]

In JavaScript, semicolons are optional. Yes, you heard it right. However, there are some situations in which omitting a semicolon can lead to unwanted consequences. So there is no definitive answer as to whether you should use a semicolon or not. Using semicolons always causes a debate in the JavaScript community. There are good arguments …

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Clone an Object in JavaScript: 4 Best Ways [Updated 2022]

In JavaScript, objects are reference values. This means you cannot use the assignment operator (=) to clone objects. If you do, you are just creating an alias for the existing object. To clone a JavaScript object correctly, you have 4 different options: Use the spread operator. Call the Object.assign() function. Use JSON parsing. Use the …

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