Handlebars js Interview Questions

Handlebars Js Interview Questions

  • Prashant Bhusan
  • 16th Jun, 2022

About Handlebars.js

Handlebars js is a javascript library which provides the power necessary to let you build semantic and interactive web templates effectively with no frustration. The basic idea behind Handlebars js, is to compose and compile a html template into a function which can be easily used to deliver and build dynamic content. The HandlebarsJs Processor is available from wro4j-1.4.7 and uses the handlebars.js library written in javascript. The Handlebars js processor uses Rhino to interpret the javascript into Java. The processor can be applied on resources of type javascript, though the actual content of the resources is not a javascript, it is actually an html template.

Handlebars js Interview Questions

1) What is Handlebar.js?

Handlebars.js is a popular templating engine that is powerful, simple to use and has a large community. It is based on the Mustache template language, but improves it in several important ways. With Handlebars, you can separate the generation of HTML from the rest of your JavaScript and write cleaner code.

2) How to add comments in Handlebar.js?

You can use {{!-- {{commented expressions}} --}} synatax for commenting an expressions in Handlebar.js.

3) What is current stable version of Handlebar.js?

4) List some built in Helpers in Handlebar.js ?

5) What is partial in Handlebar.js?

Partials are normal Handlebars templates that may be called directly by other templates. Handlebars allows for template reuse through partials.

6) What is Bower?

Bower is a front-end package manager similar to npm (node), gem (ruby), rpm (linux), brew (os x), etc. You would typically use it to manage static assets or includes like jQuery, Bootstrap, CSS Reset, and/or any popular plugins/scripts/images you wanted to utilize and version control on your website.

7) What is a view engine?

Viewengine is the combination of HTML tags, Server Controls and a programming language and works inside the application for rendering view to the browser or to the user.

8) What is Mustache?

Mustache is a web template system with implementations available for ActionScript, C++, Clojure, CoffeeScript, ColdFusion, Common Lisp, D, Dart, Delphi, Elixir, Erlang, Fantom, Go, Haskell, Io, Java, JavaScript, Julia, Lua, .NET, Objective-C, OCaml, Perl, PHP, Pharo, Python, R, Racket, Raku, Ruby, Rust, Scala, Smalltalk, Swift, Tcl, CFEngine and XQuery.

9) Write to commnad to install Handlebar.js via npm?

10) How string interpolation is done in Handlebar.js?

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