--- title: "Joseph Taiwo (@Teejay128) | Hashnode" description: "Focused on continuous improvement. Read the latest articles by Joseph Taiwo on Hashnode." url: "https://hashnode.com/@Teejay128" --- @Teejay128 # Joseph Taiwo @Teejay128 · Lagos, Nigeria · Joined September 2022 Focused on continuous improvement ### [Introduction to LangChain Expression Language in JavaScript](https://aribadawulo.hashnode.dev/introduction-to-langchain-expression-language-in-javascript?utm_source=hashnode&utm_medium=feed) This guide explores how to extend the wonderful features of LangChain to the JavaScript Programming Language for building LLM-powered applications. 8 min read · [aribadawulo.hashnode.dev](https://aribadawulo.hashnode.dev/introduction-to-langchain-expression-language-in-javascript?utm_source=hashnode&utm_medium=feed) [Feb 5, 2025](https://hashnode.com/posts/introduction-to-langchain-expression-language-in-javascript/67a2c191aa57fd44fc44d421) ### [Handlebars Guide: An Efficient Way to Rendering Dynamic Content from a Node.js Backend](https://aribadawulo.hashnode.dev/handlebars-guide-an-efficient-way-to-rendering-dynamic-content-from-a-nodejs-backend?utm_source=hashnode&utm_medium=feed) Handlebars is a popular template engine used together with a server-side framework, like Node.js to render dynamic content directly from the backend of an application. The templating engine also comes with additional functionalities that make it a va... 17 min read · [aribadawulo.hashnode.dev](https://aribadawulo.hashnode.dev/handlebars-guide-an-efficient-way-to-rendering-dynamic-content-from-a-nodejs-backend?utm_source=hashnode&utm_medium=feed) [Aug 28, 2024](https://hashnode.com/posts/handlebars-guide-an-efficient-way-to-rendering-dynamic-content-from-a-nodejs-backend/66cfa217dbe720bd6baa37f5) ### [Understanding How API's Work by Building a Simple API](https://aribadawulo.hashnode.dev/understanding-how-apis-work-by-building-a-simple-api?utm_source=hashnode&utm_medium=feed) This article takes a different approach to explaining how APIs function under the hood of most mainstream applications. 19 min read · [aribadawulo.hashnode.dev](https://aribadawulo.hashnode.dev/understanding-how-apis-work-by-building-a-simple-api?utm_source=hashnode&utm_medium=feed) [Apr 29, 2024](https://hashnode.com/posts/understanding-how-apis-work-by-building-a-simple-api/662fcb457cadfa9462da50cd) ### [Link Scissor Documentation](https://aribadawulo.hashnode.dev/link-scissor-documentation?utm_source=hashnode&utm_medium=feed) Description Link Scissor is an application that helps you to make your favorite URLs as short as possible. With the customization options, it is even possible to store the links in your head, allowing you to easily access them whenever you want. Inst... 2 min read · [aribadawulo.hashnode.dev](https://aribadawulo.hashnode.dev/link-scissor-documentation?utm_source=hashnode&utm_medium=feed) [Jun 27, 2023](https://hashnode.com/posts/link-scissor-documentation/649a4966ede8111f1fc45bee) ### [Getting to Know CSS Specificity](https://aribadawulo.hashnode.dev/getting-to-know-css-specificity?utm_source=hashnode&utm_medium=feed) Have you ever wondered what happens when you apply multiple styles to a single element using different CSS selectors? The browser can't use all the different styles at once, therefore it needs a method to select which style will be applied. Introduct... 5 min read · [aribadawulo.hashnode.dev](https://aribadawulo.hashnode.dev/getting-to-know-css-specificity?utm_source=hashnode&utm_medium=feed) [Mar 3, 2023](https://hashnode.com/posts/getting-to-know-css-specificity/64023726f7026b5d3bf13abb)