Coding Help Tips Resources Tutorials
Google Apps Scripts and Web Development Tutorials and Resources by Laurence Svekis
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
JavaScript Async Code Examples JavaScript is a single-threaded language, which means that it can only execute one piece of code at a time. This can make it challenging to perform long-running tasks, such as network requests, without freezing up the UI. To solve this issue, JavaScript provides the concept of asynchronous programming, which allows you … Read more
10 best practices for writing efficient and maintainable JavaScript code: Use const instead of var or let whenever possible. This helps prevent accidental modification of variables. Example: const name = “John”; name = “Jane”; // Error: “name” is read-only Declare variables as close as possible to their first use. This reduces their scope and makes … Read more
Beginners Introduction Guide To JavaScript Code JavaScript is a high-level, dynamic, and interpreted programming language. It is used to add interactivity and other dynamic elements to websites. Here are some basics of JavaScript with code examples: Variables: variables are used to store values in JavaScript. You can declare a variable with the “let” keyword, like … Read more
Downloadable PDF included JavaScript interview questions with answers: What is closure in JavaScript and how does it work? Answer: Closure is a feature in JavaScript where a function has access to its outer scope even after the outer function has returned. It is created when a function is defined inside another function, and the inner … Read more
JavaScript Closure Explained https://youtu.be/7vyHA0aODeU A closure in JavaScript is a function that has access to variables in its parent scope, even after the parent function has returned. Closures are created when a function is defined inside another function, and the inner function retains access to the variables in the outer function’s scope. Here is an … Read more