#webdev

Articles tagged with #webdev

JavaScript Symbol
JavaScript Symbol Type and Properties
Jun 20, 20214 min read611
JavaScript Function Flags and Descriptors
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....
Apr 25, 20216 min read377
JavaScript Recursion
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) { ...
Apr 18, 20214 min read871
JavaScript Lexical Environment
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...
Apr 3, 20216 min read559
JavaScript Rest Parameters and Spread Syntax
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...
Mar 24, 20214 min read665
JavaScript JSON and toJSON Methods
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...
Mar 20, 20214 min read1.3K