Laurence Svekis

Laurence Svekis is a web technology enthusiast, educator, and author who has been working in the field for over 20 years. He has expertise in web development technologies, such as HTML, CSS, JavaScript, jQuery, Bootstrap, PHP, and MySQL. Svekis is a prolific course instructor on Udemy, with over 500,000 students enrolled in his courses. He has authored over 100 online courses, covering a wide range of web technologies and tools, such as Google Apps Script, WordPress, React, Node.js, Express.js, and MongoDB. His courses are known for their practical and hands-on approach, with a focus on real-world projects and examples. In addition to teaching, Svekis is also a published author, with several books to his name Svekis is passionate about empowering people with the skills and knowledge they need to succeed in the rapidly evolving field of web technology. He is committed to providing high-quality educational resources that are accessible to anyone, regardless of their background or experience level.

Test Your Skills – JavaScript Questions how many can you get correct

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Functions What is a callback function? A) A function that is passed as an argument to another function.B) A function that returns another function.C) A function that is executed immediately after declaration.D) A function that calls itself. Answer: A) A function that is passed as an argument to another function. Explanation:A callback function is passed … Read more

Intermediate JavaScript Guide

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1. Functions in JavaScript 1.1 Callbacks A callback function is a function passed into another function as an argument, to be executed at a later time or in response to an event. This is a fundamental concept in asynchronous JavaScript (e.g., handling responses from fetch calls, setTimeout, event listeners, etc.). <details> <summary>Example of a callback</summary> … Read more

Organizing Your Google Docs with Apps Script: A Guide to Sorting Sections by Headings

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When working on large Google Docs, organizing content systematically can be daunting, especially if you’re dealing with sections categorized under specific headings. This is where Google Apps Script comes to the rescue! In this blog post, we’ll explore a function, reorganizeDocByHeading2, that reorganizes the content of a Google Doc based on predefined categories under “Heading … Read more

Apps Script that counts the number of Heading 4 elements in a Google Doc

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Apps Script Code function countHeading4InDocument() { const DOCID = ‘YOUR_DOCUMENT_ID_HERE’; // Replace with your Document ID const doc = DocumentApp.openById(DOCID); const body = doc.getBody(); const paragraphs = body.getParagraphs(); let heading4Count = 0; // Iterate through all paragraphs for (let i = 0; i < paragraphs.length; i++) { const paragraph = paragraphs[i]; if (paragraph.getHeading() === DocumentApp.ParagraphHeading.HEADING4) … Read more

Apps Script that adds a blank line above every occurrence of the word

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Apps Script Code function addBlankLineAndBoldExplanation() { const DOCID = ‘YOUR_DOCUMENT_ID_HERE’; // Replace with your Document ID const doc = DocumentApp.openById(DOCID); const body = doc.getBody(); const paragraphs = body.getParagraphs(); // Iterate through all paragraphs in the document for (let i = 0; i < paragraphs.length; i++) { const paragraph = paragraphs[i]; const text = paragraph.getText().trim(); // … Read more

Apps Script code that adds a horizontal line above each Heading 4

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Apps Script Code function addHorizontalLineAboveHeading4() { const DOCID = ‘YOUR_DOCUMENT_ID_HERE’; // Replace with your Document ID const doc = DocumentApp.openById(DOCID); const body = doc.getBody(); const paragraphs = body.getParagraphs(); // Iterate through the paragraphs in reverse order for (let i = paragraphs.length – 1; i >= 0; i–) { const paragraph = paragraphs[i]; // Check if … Read more

Automating Document Formatting: Convert and Update Heading 3 to Heading 2 in Google Docs

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Organizing a Google Doc can often involve repetitive tasks like updating headings or restructuring content. One such common task is converting specific headings to a different style while modifying their text content. In this blog post, we’ll explore a handy Google Apps Script that automatically updates Heading 3 elements to Heading 2, transforms their text … Read more

Automating Document Cleanup: Consolidate Duplicate Categories in Google Docs with Apps Script

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Managing content in a Google Doc can be tedious, especially when dealing with repetitive headings and disorganized structure. If you’ve ever faced the challenge of consolidating duplicate categories while retaining their content, this blog post is for you. We’ll explore a simple Google Apps Script that automates this task, ensuring your document stays clean, organized, … Read more

Parsing and Stringifying JSON

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Parsing and Stringifying JSON JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate. In this chapter, we’ll explore the powerful methods JSON.parse() and JSON.stringify() to work with JSON in JavaScript. We’ll also cover practical examples, use cases, and … Read more

try catch Statements in JavaScript

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In JavaScript, the try…catch statement is used to handle errors gracefully. Instead of stopping the execution of your code when an error occurs, it allows you to “catch” the error and execute alternative code to handle it. This is especially useful for debugging and building resilient applications. 1. Syntax of try…catch try {   // Code … Read more