Google Apps Scripts and Web Development Tutorials and Resources by Laurence Svekis
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
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
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
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 12 CSS code Tips Use CSS selectors wisely Use CSS selectors wisely: CSS selectors allow you to target specific elements in your HTML and apply styles to them. It’s important to use the most specific selector possible to target the elements you want to style. For example: <style> /* Target elements with a specific … Read more
HTML top 10 Coding and Tips Use semantic HTML elements Use semantic HTML elements: Semantic HTML elements provide meaning to the structure of your web pages. Examples of semantic elements include <header>, <nav>, <main>, <article>, <section>, <aside>, <footer>, etc. For example: <header> <h1>Header</h1> <nav> <ul> <li><a href=”#”>Home</a></li> <li><a href=”#”>About</a></li> <li><a href=”#”>Contact</a></li> </ul> </nav> </header> <main> … Read more
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 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 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
Basics of JavaScript Code JavaScript is a high-level, dynamic, and interpreted programming language. It is used to add interactivity and other dynamic elements to websites. The console in JavaScript The console in JavaScript is a tool used for debugging and testing purposes. It allows developers to log information to the browser console for viewing. This … Read more