When comparing JsRender vs FLAVE, the Slant community recommends JsRender for most people. In the question“What are the best JavaScript templating engines?” JsRender is ranked 24th while FLAVE is ranked 26th. The most important reason people chose JsRender is:
JsRender's syntax is clean and intuitive. It's very similar to Handlebars with a lot of curly braces ({}).
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Pros
Pro Clean syntax
JsRender's syntax is clean and intuitive. It's very similar to Handlebars with a lot of curly braces ({}).
Pro Syntax Highlighting
Syntax Highlighting extensions for Atom and VSCODE
Pro JavaScript allowed in views
Pro Helper functions
Can write pure JavaScript helper functions to include in the view file.
Pro Multiple Templates in a single file
Optionally encapsulate views within a class as well as have as many view as you want.
Pro Not white space sensitive
Cons
Con Lack of Documentation
The docs aren't updated and don't contain all the available functions that one could use.
Con Limited support and testing
Con No data binding
Flave only generates HTML.