JsRender: a template engine for string output, with or without jQuery

The problem JsRender solves: producing HTML strings from data

JsRender takes a template and a data object and returns a string. The README describes it as a templating engine "optimized for high-performance rendering, without DOM dependency", and that phrase is the whole design brief. Nothing in the render path needs a document, a window or a mounted node. You hand it an object or an array, you get back text that is "ready for insertion", as the render example comments put it.

That makes it a fit for two situations. The first is server-side rendering on Node.js, where there is no DOM at all and the output is an HTTP response body. The second is a browser page that already uses jQuery and wants small named templates instead of string concatenation. The project also states that JsRender and JsViews together "supersede" the older jQuery Templates and jQuery Data Link plugins, so if you are maintaining code built on those, this is the documented successor path.

Who it is not for: anyone who wants a component model. JsRender has no concept of a component, a state container or a reactive update. It renders once, from data to text, and stops.

How JsRender works: templates, tags and a namespace object

A template is compiled from a string, from a script block in markup, or from an .html file on disk. Compilation gives you a template object, and rendering that object with data produces the string. The repository ships jsrender.js for the browser and jsrender-node.js for Node, and package.json points "browser" at the former and "main" at the latter, so a bundler picks the right one without configuration.

The namespace is the interesting part. When jQuery is present, JsRender attaches itself as a jQuery plugin and adds $.views, $.templates and $.render to the jQuery namespace object, $ (or window.jQuery). When jQuery is absent, the README says it "provides its own global namespace object: jsrender (or window.jsrender)", with the same methods. The documented workaround is to alias it, so existing API examples keep working unchanged. One caveat is stated plainly: without jQuery loaded, passing a jQuery selector to $.templates() will only work for the ID selector.

Templates are built from tags. The README lists {{: ...}}, {{> ...}}, {{* ...}} and {{!-- --}} as the non-block forms, and says every other tag "behaves as a block tag". Block tags can have content and close with {{/someTag}}, or use the self-closing syntax {{someTag .../}}. That single rule explains most of the syntax you will meet, including the {{if}} and {{for}} tags people search for. The README stops short of documenting those tags in detail and points to the API docs on jsviews.com instead.

Installing JsRender and rendering your first template

For Node.js, the README points to the JsRender Node.js Quickstart rather than giving a command, but package.json names the package jsrender at version v1.2.0, whose release note reads "jQuery 4 compatibility".

npm install jsrender

Requiring the package returns the jsrender namespace object, as the README shows. The alias to $ is the project's own convention, taken from the README's without-jQuery example, not a requirement.

var $ = window.jsrender;

// Now use code as in samples/examples, with $.views... $.templates... $.render...

The README's render example compiles a template from a string, renders it for one object, and then for an array. Passing an array renders the template once for each item.

var tmpl = $.templates(" Name: {{:name}}<br/> ");

var person = {name: "Jim"};

// Render template for person object
var html = tmpl.render(person); // ready for insertion, e.g $("#result").html(html);

// result: "Name: Jim<br/> "

Named templates are registered once and rendered by property lookup, which is what you want when several parts of a page share a template.

// Register named template - "myTmpl1
$.templates("myTmpl1", "Name: {{:name}}<br/> ");

var person = {name: "Jim"};

// Render named template
var html = $.templates.myTmpl1(person);

// Alternative syntax: var html = $.render.myTmpl1(person);

// result: "Name: Jim<br/> "

On the server, templates can live in .html files and be loaded by path. The README gives this form directly:

var $ = require('jsrender'); // returns the jsrender namespace object
var tmpl = $.templates("./templates/myTemplate.html");

For the browser without a build step, the README points at the jsdelivr and cdnjs CDNs, and at bower install jsrender. For Browserify and webpack, it defers to the Node.js Quickstart and the two dedicated module pages on jsviews.com. There is a separate repository, jsrender-node-starter, described as running code examples for Node.js scenarios, including with Express, Hapi and Browserify.

Where JsRender is the wrong tool

JsRender renders strings. It does not bind them. If your page needs a value in the DOM to update when the underlying object changes, JsRender alone will not do it; the README says JsViews "adds data binding to JsRender templates", and JsViews is a different repository and a different download. People searching for "jquery reactivity" alongside this project are looking for the half that JsRender does not contain.

There is a second boundary around the browser build. Without jQuery, selector-based template lookup is limited to the ID selector, so a workflow that compiles templates from arbitrary DOM nodes will not port cleanly to the no-jQuery build.

The third is documentation distribution. The README is deliberately thin: it covers installation, string, script-block and file templates, the namespace aliasing trick, and the block-tag rule, then hands you to jsviews.com for the API, samples and downloads. That is fine if you are willing to read a separate site, and awkward if you want everything in the repository. The README also does not document rollback, migration from jQuery Templates, or what changed in v1.2.0 beyond the jQuery 4 compatibility note in the release title.

Finally, there is no CLI here. Templates are compiled at runtime by the library, not ahead of time by a command, so build-pipeline template precompilation is not something this repository offers.

JsRender compared with Handlebars and with JsViews

Handlebars is the comparison people search for, and the honest answer from this material is that the README never mentions it. What can be compared is the shape of the two engines as this repository presents JsRender. JsRender compiles at runtime from a string, a script block or an .html file, and its extensibility is expressed through the tag system rather than through registered helpers. If your build already has a template compilation step, that is the point to check before choosing: this README documents no precompilation command, so a pipeline expecting one has nothing to call.

The JsViews comparison is not really a comparison, because they are two halves of one design. JsRender does data-driven rendering to strings. JsViews adds data binding on top of JsRender templates and, in the README's words, "provides a fully-fledged MVVM platform for easily creating interactive data-driven single page apps and websites". Choosing between them is choosing whether your page re-renders or updates in place. The README's framing, that JsRender "is also used by" JsViews, is the accurate one: JsViews depends on JsRender, not the other way round.

Maintenance, licence and what an upgrade costs

The repository is not archived and the last push was on 2026-06-25, the same day v1.2.0 was released. Before that, v1.0.16 landed on 2025-05-22 and v1.0.15 on 2024-07-14. That is a slow release cadence with long gaps, so plan for a dependency that changes rarely rather than one that tracks the JavaScript ecosystem month by month. The v1.2.0 release title is "jQuery 4 compatibility", which tells you the maintainer is still responding to upstream jQuery changes.

The licence is MIT, declared in package.json and shipped as MIT-LICENSE.txt at the repository root. That permits commercial use and modification with attribution, and the usual disclaimer of warranty applies. This is a description of what the file says, not legal advice, and if you are redistributing the library you should read the licence text yourself.

The upgrade surface is small. The package declares one runtime dependency, through2, and the browser build is a single jsrender.js file. The published browser artifact is jsrender.min.js with jsrender.min.js.map next to it. TypeScript users get declarations through the "types" field pointing at ./typescript/jsrender/index.d.ts, so there is a typed surface to check when you bump versions. The test script in package.json is node ./test/unit-tests-node-runner.js, which is the command to run if you want to confirm a version bump on your own machine.

Editorial conclusion

Adopt JsRender when your output is a string: server-side HTML assembly in Express or Hapi, or a browser page that already loads jQuery and wants templates in script blocks. Skip it if you need two-way binding in the page, because that is JsViews, a separate repository. Before committing, check that the {{for}} and {{if}} behaviour you need is covered in the API documentation at jsviews.com, since the README shows only the plain {{:name}} interpolation and defers the rest to the site.

Frequently asked questions

Official sources

1. BorisMoore/jsrender on GitHub
2. License: MIT
3. Project website
4. README
5. Releases