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Jinja2 vs Pug: What are the differences?

Introduction:

Jinja2 and Pug are both popular templating languages used in web development. While they serve similar purposes, there are key differences between the two. In this Markdown code, we will highlight and summarize these differences between Jinja2 and Pug.

  1. Syntax: Jinja2 uses a syntax similar to Python, utilizing curly braces and various control structures. On the other hand, Pug has a simplified syntax that uses indentation instead of curly braces and utilizes a more concise shorthand for HTML tags.

  2. Whitespace Sensitivity: Jinja2 is not whitespace sensitive, meaning that indentation and line breaks in the template don't affect the output. Pug, however, is indentation-based and requires proper indentation to define the structure of the HTML output.

  3. Variable Assignment: In Jinja2, variables can be assigned using the {% set %} tag. Pug, on the other hand, does not allow variable assignment within the template itself. Variables need to be passed from the server-side to the template.

  4. Looping and Conditionals: Jinja2 offers a wider range of control structures for looping and conditionals, including {% for %}, {% if %}, {% else %}, etc. Pug uses a more concise syntax for looping and conditionals, with each control structure defined by a single-line expression.

  5. Extensibility: Jinja2 allows for template inheritance, where a base template can be extended and customized through child templates. Pug does not offer a similar feature, requiring developers to manually recreate shared elements in each individual template.

  6. Developer Community: Jinja2 has a larger and more established developer community with extensive documentation and a wide range of resources available. While Pug also has a growing community, it may not have as many resources and tutorials compared to Jinja2.

In summary, Jinja2 and Pug differ in their syntax, whitespace sensitivity, variable assignment, control structures, extensibility, and developer community involvement. These differences should be considered when choosing a templating language for your web development project.

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Pros of Pug
  • 138
    Elegant html
  • 90
    Great with nodejs
  • 59
    Open source
  • 59
    Very short syntax
  • 54
    Structured with indentation
  • 25
    Free
  • 6
    Really similar to Slim (from Ruby fame)
  • 6
    It's not HAML
  • 6
    Gulp
  • 5
    Clean syntax
  • 5
    Readable code
  • 5
    Easy setup
  • 5
    Difficult For Front End Developers,learn backend
  • 4
    Disdain for angled brackets

What is Pug?

This project was formerly known as "Jade." Pug is a high performance template engine heavily influenced by Haml and implemented with JavaScript for Node.js and browsers.

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What tools integrate with Pug?

Blog Posts

Jun 19 2015 at 6:37AM

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