Coding Examples from YouTube Videos Learn JavaScript PDF Guide Free sample code

Coding Examples from YouTube Videos Learn JavaScript strict mode example Use strict mode to enforce modern JavaScript syntax and catch errors early: ‘use strict’; “use strict” is a directive in JavaScript that enables “strict mode”. Strict mode is a way to opt in to a “secure” version of JavaScript. When in strict mode, JavaScript will … Read more

use of higher-order functions 

use of higher-order functions  Make use of higher-order functions like map, filter, and reduce to process arrays: const numbers = [1, 2, 3, 4, 5]; // Use map const double = numbers.map(number => number * 2); // Use filter const even = numbers.filter(number => number % 2 === 0); // Use reduce const sum = … Read more

Sample Code JavaScript Coding Examples and Lessons Download PDF Guide FREE

strict mode example Use strict mode to enforce modern JavaScript syntax and catch errors early: ‘use strict’; “use strict” is a directive in JavaScript that enables “strict mode”. Strict mode is a way to opt in to a “secure” version of JavaScript. When in strict mode, JavaScript will validate your code more strictly and throw … Read more

JavaScript Tips and code explained Use const and let

Use const and let Always declare variables with const or let, rather than var: // Use let let name = ‘John Doe’; // Use const const PI = 3.14; var, let, and const are used to declare variables. var is the oldest way to declare variables in JavaScript and has function scope. This means that … Read more

JavaScript Arrow Functions Fat Arrow

Use Arrows functions Use arrow functions instead of function for cleaner and concise code: // Function expression const multiply = (a, b) => a * b; // Implicit return const square = x => x * x; Arrow functions, also known as “fat arrow” functions, are a shorthand way to declare anonymous functions in JavaScript. … Read more

Use Strict in JavaScript Explained with source code

strict mode example Use strict mode to enforce modern JavaScript syntax and catch errors early: ‘use strict’; “use strict” is a directive in JavaScript that enables “strict mode”. Strict mode is a way to opt in to a “secure” version of JavaScript. When in strict mode, JavaScript will validate your code more strictly and throw … Read more

Free PDF Guides HTML CSS JavaScript top tips for 2023

HTML (Hypertext Markup Language) is the standard language used to create web pages. It is a markup language, which means that it uses tags to describe the structure and content of a web page. HTML tags define the headings, paragraphs, lists, links, images, and other elements of a web page. CSS (Cascading Style Sheets) is … Read more

Top 10 Coding Examples and Tips for JavaScript Code V2

Top 10 Coding Examples and Tips for JavaScript Code Use spread operator Use spread operator to combine arrays: const a = [1, 2, 3]; const b = [4, 5, 6]; const c = […a, …b]; // [1, 2, 3, 4, 5, 6] Use spread operator to combine arrays: The spread operator (…) can be used … Read more

Top 10 JavaScript Tips of the Day

Top 10 Coding Examples and Tips for JavaScript Code strict mode example Use strict mode to enforce modern JavaScript syntax and catch errors early: ‘use strict’; Use const and let Always declare variables with const or let, rather than var: // Use let let name = ‘John Doe’; // Use const const PI = 3.14; … Read more

JavaScript Common Interview Questions and Solutions Coding Examples

JavaScript Common Interview Questions and Solutions Coding Examples Closure 2forEach Array 3JavaScript Map function 3JavaScript Filter 4Check if number is an integer 5Is the string a palindrome 6Reverse a String 6Find the largest number in an array 8Check Object Property 8Common Elements in two Arrays 9 ClosureWhat is closure in JavaScript and give an example … Read more