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Dev Proto

News, articles, and knowledge bank for software developers

JavaScript: What’s Typeof ?

JavaScript: What’s Typeof ?

As the name implies, the typeof keyword is used to determine the types of data. This is one of the most common JS keywords found in JS…
Go to the profile of Chidume Nnamdi 🔥💻🎵🎮
Chidume Nnamdi 🔥💻🎵🎮
Jul 31, 2020
JavaScript: What’s __proto__?

JavaScript: What’s __proto__?

__proto__ is a way to inherit properties from an object in JavaScript. __proto__ a property of Object.prototype is an accessor property…
Go to the profile of Chidume Nnamdi 🔥💻🎵🎮
Chidume Nnamdi 🔥💻🎵🎮
Jul 31, 2020
JavaScript: Let’s implement Array.slice() and Array.splice()

JavaScript: Let’s implement Array.slice() and Array.splice()

Previously, we have implemented Array methods:
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Chidume Nnamdi 🔥💻🎵🎮
Jul 31, 2020
How it works: Array.reduceRight

How it works: Array.reduceRight

Array#reduceRight is the trickiest of the JS APIs to understand. Even battle-hardened developers with 20+ years of experience often find…
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Chidume Nnamdi 🔥💻🎵🎮
Jul 31, 2020
JavaScript: The ❕unary operator

JavaScript: The ❕unary operator

! is a Logical operator commonly used in JavaScript. Despite its wide usage, only a few understand what it does.
Go to the profile of Chidume Nnamdi 🔥💻🎵🎮
Chidume Nnamdi 🔥💻🎵🎮
Jul 30, 2020
JavaScript: Reducing Array elements using the length property

JavaScript: Reducing Array elements using the length property

I know this article title will be surprising to you. That’s why you are here, right? :)
Go to the profile of Chidume Nnamdi 🔥💻🎵🎮
Chidume Nnamdi 🔥💻🎵🎮
Jul 30, 2020
Why {} + {} gives "[object Object][object Object]" in JavaScript

Why {} + {} gives "[object Object][object Object]" in JavaScript

JavaScript is huge and has unforgiven rules and specs we must abide to.
Go to the profile of Chidume Nnamdi 🔥💻🎵🎮
Chidume Nnamdi 🔥💻🎵🎮
Jul 30, 2020
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