Bello

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Hi, I am Bello Osagie, a tech blogger, writer, youtubers, online instructor, and web developer. I teach web development… Join me to learn, discover, and have fun coding together!

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JavaScript Symbol

Jun 20, 20214 min read 381 views

In JavaScript, the object key can only be in either string or symbol. A symbol represents a unique identifier To create a symbol, the syntax is shown below: id = Symbol() To create a symbol with a description (symbol-name), the syntax is shown bel...

JavaScript Symbol

JavaScript Console

May 6, 20214 min read 59 views

The console.log method is not the only method used in the console. Check out other console methods besides log by running the code below: console.dir(console); If you want to reference each of the console methods, click the links below: asset clea...

JavaScript Console

JavaScript Function Flags and Descriptors

Apr 25, 20216 min read 201 views

We know that objects contain properties that are key-value pairs, but there's more to that — it includes the flag attributes. Property flags The 3 other attributes besides the value property are: writable — override (change) current value, if true....

JavaScript Function Flags and Descriptors

JavaScript Recursion

Apr 18, 20214 min read 662 views

A function can solve a task by calling other functions or itself. It is a chalk of tasks that is split into smaller or several tasks of the same kind. Every function solves a task. See the example below: const pow = (x, y) => { if (y === 1) { ...

JavaScript Recursion

JavaScript Lexical Environment

Apr 3, 20216 min read 356 views

In JavaScript, code in a script or a function body has a hidden object called the Lexical Environment object. The object can not be gotten from the code; It only describes how the code works. There are two components of the lexical environment object...

JavaScript Lexical Environment

JavaScript Rest Parameters and Spread Syntax

Mar 24, 20214 min read 520 views

In this article, we will see what the rest parameters and what spread syntax is all about. The example below is a summary of this article. const peopleGrades = (index, ...numbers) => { /* ...rest */ const array = [ ...numbers ]; // ...spread ret...

JavaScript Rest Parameters and Spread Syntax