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Add to SafariWhen comparing Underscore Templates vs EJS, the Slant community recommends EJS for most people. In the question“What are the best JavaScript templating engines?” EJS is ranked 6th while Underscore Templates is ranked 7th. The most important reason people chose EJS is:
EJS uses all the JS jargon and logic, so if you're proficient in JS, you can use EJS right away.
Question Ranking
Pros
Pro For micro templating
Due to Underscore's optimized performance and ease-of-use it can be deemed as most fit for use in small sections of your code, where you just want a quick and simple template to render your content.
Pro Pre-compilation
Underscore allows you to compile your template once before data is inserted to it.
Pro Complete JavaScript logic
EJS uses all the JS jargon and logic, so if you're proficient in JS, you can use EJS right away.
Pro Same language before and after rendering
Your html/text remains pretty much the same before and after rendering. EJS filters out and performs its functions on any occurrences of its own <%= %> tags in your template.
Pro Lightning-fast to learn
EJS introduces fairly small amount of new syntax that one has to learn to become fully proficient. The syntax itself is easy to comprehend for anyone who is even somewhat familiar with JavaScript and CSS.
Pro Consistently scores rather well in benchmarks
According to some benchmark tests, EJS is way faster than Jade or Haml.
Pro Powerful error handling
EJS has a really smart error handling mechanism built right into it. It points out to you, the line numbers on which an error has occurred, so that you don't end up looking through the whole template file wasting your time in searching for bugs.
Cons
Con Not a true templating engine
template in underscore is simply a function which compiles a piece of template into HTML. It's useful for rendering HTML from JSON and it's not very useful when building complex frontend templates.
Con No support for block by default
EJS has no support for the block functionality which allows you to reuse pieces of templates across different files. Although it can be added to EJS through a third-party library.
Con Cryptic syntax
Much more difficult to read, especially for designer/HTML people who don't write JavaScript.
