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JavaScript Console

May 6, 20214 min read 40 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 Function Flags and Descriptors

Apr 25, 20216 min read 162 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 Recursion

Apr 18, 20214 min read 597 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 Lexical Environment

Apr 3, 20215 min read 299 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 Rest Parameters and Spread Syntax

Mar 24, 20214 min read 441 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 JSON and toJSON Methods

Mar 20, 20214 min read 1.0K views

The JSON.stringify syntax used so far is: JSON.stringify(value) The general syntax actually is: JSON.stringify(value[, replacer, space]) replacer and space are optional. replacer The replacer is an array of properties to encode or a mapping functi...