Handlebars is a popular templating engine that helps developers build semantic templates effectively and with ease. It allows you to separate the generation of HTML from the rest of your JavaScript and write cleaner code. Handlebars provides the power necessary to let you build semantic templates effectively with no frustration. By using Handlebars, you can create dynamic HTML content by embedding expressions within double curly braces, which gets executed to manipulate and display data dynamically.Handlebars supports creating both simple and complex data contexts, and offers powerful features like helpers and block expressions to customize how data is rendered. The syntax is straightforward and emphasizes clarity, which can be a significant advantage in projects where many developers might be involved. Another benefit of using Handlebars is its compatibility with a wide range of environments since it can be used both client-side in browsers and server-side using platforms like Node.js.