JavaScript beginners to fundamental techniques for displaying data and debugging code. The presenter demonstrates how to use the document.write method to display information directly on a webpage and the console.log method to output data to the browser's developer console. These tools are highlighted as essential for verifying variable values and testing the results of mathematical equations during the development process. Although the instructor briefly mentions that these functions involve built-in objects and methods, he advises students to focus on their practical utility rather than complex syntax at this stage. #javascripttutorial #javascriptbeginners