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<!DOCTYPE html>  <html lang="en"> <head> <meta charset="utf-8"> <title>CanJS - {{>key}}</title> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> <link rel="stylesheet" type="text/css" href="./static/bundles/bit-docs-site/static.css"> <link rel="shortcut icon" sizes="16x16 24x24 32x32 48x48 64x64" href="/docs/images/canjs_favicon.ico"> <link rel="apple-touch-icon" sizes="57x57" href="../docs/images/canjs_favicon_57x57.png"> <link rel="apple-touch-icon-precomposed" sizes="57x57" href="../docs/images/canjs_favicon_57x57.png"> <link rel="apple-touch-icon" sizes="72x72" href="../docs/images/canjs_favicon_72x72.png"> <link rel="apple-touch-icon" sizes="114x114" href="../docs/images/canjs_favicon_114x114.png"> <link rel="apple-touch-icon" sizes="120x120" href="../docs/images/canjs_favicon_128x128.png"> <link rel="apple-touch-icon" sizes="144x144" href="../docs/images/canjs_favicon_144x144.png"> <link rel="apple-touch-icon" sizes="152x152" href="../docs/images/canjs_favicon_152x152.png"> <meta content="yes" name="apple-mobile-web-app-capable"> <meta name="apple-mobile-web-app-status-bar-style" content="white-translucent"> <script> (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','https://www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-2302003-11', 'auto'); ga('send', 'pageview'); </script> </head> <body> <input type="checkbox" id="nav-trigger" class="nav-trigger"/> <label for="nav-trigger">Menu</label> <div id="everything"> <div id="left" class="column"> <div class="top-left"> <div class="brand"> <div class="logo"> <a href="../index.html" alt="CanJS"></a> <div class="dropdown project-dropdown"> <a href="https://donejs.com/">DoneJS</a> <a href="http://stealjs.com/">StealJS</a> <a href="http://jquerypp.com/">jQuery ++</a> <a href="https://funcunit.com/">FuncUnit</a> <a href="http://documentjs.com/">DocumentJS</a> </div> </div> <div class="version"> <div class="version-number"> 3.0.0 </div> <div class="dropdown version-dropdown"> <a href="https://v2.canjs.com">2.3.27</a> </div> </div> </div> <div class="search-bar"> <p>   </p> </div> </div> <div class="bottom-left"> <div class="social-side-container"> <ul class="social-side"> <li> <a class="header-mobile github" href="https://github.com/canjs/canjs" target="_blank"><img class="social-icon-small" src="../docs/images/github.png">Github</a> </li> <li> <a class="header-mobile twitter" href="https://twitter.com/canjs" target="_blank"><img class="social-icon-small" src="../docs/images/twitter.png">Twitter</a> </li> </ul> <ul class="social-side"> <li> <a class="header-mobile" href="https://gitter.im/canjs/canjs" target="_blank">Chat</a> </li> <li> <a class="header-mobile" href="http://forums.donejs.com/c/canjs" target="_blank">Forum</a> </li> </ul> </div> <ul> <li class=" "> <a class="page" href="guides.html" title="Welcome to CanJS! These guides are here to help you develop and improve your relationship with CanJS. After all, picking a JavaScript framework is a commitment. We want CanJS to be the framework you marry. This page helps you know how advance through the different stages of this relationship:"> Guides </a> </li> <li class=" parent expanded"> <a class="page" href="can-core.html" title="The best, most hardened and generally useful libraries in CanJS."> Core </a> <ul> <li class=" "> <a class="module" href="can-component.html" title="Create a custom element that can be used to manage widgets or application logic."> can-component </a> </li> <li class=" "> <a class="module" href="can-compute.html" title="Create an observable value."> can-compute </a> </li> <li class=" "> <a class="module" href="can-connect.html" title="can-connect provides persisted data middleware. Use it to assemble powerful model layers for any JavaScript project."> can-connect </a> </li> <li class=" "> <a class="module" href="can-define.html" title="Exports the define method that defines observable properties and their behavior on a prototype object."> can-define </a> </li> <li class=" "> <a class="module" href="can-define/list/list.html" title="Create observable lists."> can-define/list/list </a> </li> <li class=" "> <a class="module" href="can-define/map/map.html" title="Create observable objects."> can-define/map/map </a> </li> <li class=" "> <a class="function" href="can-route.html" title="Manage browser history and client state by synchronizing the window.location.hash with a map."> can-route </a> </li> <li class=" "> <a class="module" href="can-route-pushstate.html" title="Changes can-route to use pushstate to change the window's pathname instead of the hash. var route = require("can-route-pushstate"); route("{page}", { page: "home" }); route.ready(); route.attr("page", "user"); location.pathname; // -> "/user""> can-route-pushstate </a> </li> <li class=" "> <a class="module" href="can-set.html" title="can-set is a utility for comparing sets that are represented by the parameters commonly passed to service requests."> can-set </a> </li> <li class=" parent expanded"> <a class="module" href="can-stache.html" title="Live binding Mustache and Handlebars-compatible templates."> can-stache </a> <ul> <li> <span>Pages</span> <ul> <li class=" "> <a class="page" href="can-stache.magicTagTypes.html" title=""> Magic Tag Types </a> </li> <li class=" "> <a class="page" href="can-stache.scopeAndContext.html" title=""> Scope and Context </a> </li> <li class=" "> <a class="page" href="can-stache.expressions.html" title="In addition to different magic tag types, stache supports different expression types. These can be used in various combinations to call helper methods or viewModel methods. The following is an example of all the expressions combined:"> Expressions </a> </li> <li class=" "> <a class="page" href="can-stache.Acquisition.html" title="There are number of ways to acquire templates such as: raw text, a module loader, or script tags in the markup."> Template Acquisition </a> </li> <li class=" "> <a class="page" href="can-stache.Helpers.html" title="Helpers are functions that can be registered and called from within templates. These functions are typically used to provide functionality that is more appropriate for the view than the viewModel."> Helpers </a> </li> <li class=" "> <a class="page" href="can-stache.Binding.html" title="Live binding refers to templates which update themselves when their state or data changes. can-stache templates are able to listen to observables (like map, list, and can-compute) changing and update the page to reflect those changes."> Live Binding </a> </li> </ul> </li> <li> <span>Methods</span> <ul> <li class=" "> <a class="function" href="can-stache.from.html" title="Return a template loaded from an element."> from </a> </li> <li class=" "> <a class="function" href="can-stache.registerConverter.html" title="Register a helper for bidirectional value conversion."> registerConverter </a> </li> <li class=" "> <a class="function" href="can-stache.registerHelper.html" title="Register a helper."> registerHelper </a> </li> <li class=" "> <a class="function" href="can-stache.registerPartial.html" title="Register a partial. Register a partial template that can be rendered with can-stache.tags.partial."> registerPartial </a> </li> <li class=" "> <a class="function" href="can-stache.registerSimpleHelper.html" title="Register a helper that gets passed values."> registerSimpleHelper </a> </li> <li class=" "> <a class="function" href="can-stache.safeString.html" title="Indicate that a string does not need to be escaped to be safely inserted into the page."> safeString </a> </li> </ul> </li> <li> <span>Tags</span> <ul> <li class=" "> <a class="function" href="can-stache.tags.escaped.html" title="Insert the value of the expression into the output of the template."> {{expression}} </a> </li> <li class=" "> <a class="function" href="can-stache.tags.unescaped.html" title="Insert the unescaped value of the expression into the output of the template."> {{{expression}}} </a> </li> <li class=" "> <a class="function" href="can-stache.tags.section.html" title="Renders a subsection one or more times depending on the type of expression or the expression's return value."> {{#expression}} </a> </li> <li class=" "> <a class="function" href="can-stache.tags.close.html" title=""> {{/expression}} </a> </li> <li class=" "> <a class="function" href="can-stache.tags.inverse.html" title="Like can-stache.tags.section, but renders the opposite subsection depending on the type of expression or the expression's return value."> {{^expression}} </a> </li> <li class="current parent expanded"> <a class="function" href="can-stache.tags.partial.html" title="Render another template within the current template."> {{>key}} </a> </li> <li class=" "> <a class="function" href="can-stache.tags.comment.html" title="A comment that doesn't get inserted into the rendered result."> {{!expression}} </a> </li> <li class=" "> <a class="function" href="can-stache.helpers.else.html" title=""> {{else}} </a> </li> </ul> </li> <li> <span>Expressions</span> <ul> <li class=" "> <a class="typedef" href="can-stache/expressions/bracket.html" title=""> Bracket Expression </a> </li> <li class=" "> <a class="typedef" href="can-stache/expressions/call.html" title=""> Call Expression </a> </li> <li class=" "> <a class="typedef" href="can-stache/expressions/hash.html" title=""> Hash Expression </a> </li> <li class=" "> <a class="typedef" href="can-stache/expressions/helper.html" title=""> Helper Expression </a> </li> <li class=" "> <a class="typedef" href="can-stache/expressions/key-lookup.html" title=""> KeyLookup Expression </a> </li> <li class=" "> <a class="typedef" href="can-stache/expressions/literal.html" title="Specify a JavaScript primitive type."> Literal Expression </a> </li> </ul> </li> <li> <span>Key Operators</span> <ul> <li class=" "> <a class="typedef" href="can-stache/keys/at.html" title="Return whatever value is at a key, regardless if it's a function or a compute."> @at </a> </li> <li class=" "> <a class="typedef" href="can-stache/keys/compute.html" title="Pass a compute instead of a value if an observable is found within calls."> ~compute </a> </li> <li class=" "> <a class="typedef" href="can-stache/keys/current.html" title="Lookup a value in only the current context."> ./current </a> </li> <li class=" "> <a class="typedef" href="can-stache/keys/parent.html" title="Start looking for values in the parent context."> ../parent </a> </li> <li class=" "> <a class="typedef" href="can-stache/keys/special.html" title="Event bindings and some helpers like can-stache.helpers.each provide special values that start with % to prevent potential collisions with other values."> %special </a> </li> <li class=" "> <a class="typedef" href="can-stache/keys/this.html" title="Write out or return the current context."> this </a> </li> <li class=" "> <a class="typedef" href="can-stache/keys/variable.html" title="Store a variable local to the template."> *variable </a> </li> <li class=" "> <a class="typedef" href="can-stache.key.html" title="A named reference to a value in the scope or helper scope in a template."> key </a> </li> </ul> </li> <li> <span>Helpers</span> <ul> <li class=" "> <a class="function" href="can-stache.helpers.if.html" title="can-stache.helpers.if"> {{#if expression}} </a> </li> <li class=" "> <a class="function" href="can-stache.helpers.unless.html" title=""> {{#unless expression}} </a> </li> <li class=" "> <a class="function" href="can-stache.helpers.each.html" title=""> {{#each expression}} </a> </li> <li class=" "> <a class="function" href="can-stache.helpers.with.html" title="Changes the context within a block."> {{#with expression}} </a> </li> <li class=" "> <a class="function" href="can-stache.helpers.log.html" title=""> {{log}} </a> </li> <li class=" "> <a class="function" href="can-stache.helpers.is.html" title="Render something if two values are equal."> {{#is expressions}} </a> </li> <li class=" "> <a class="function" href="can-stache.helpers.switch.html" title=""> {{#switch expression}} </a> </li> <li class=" "> <a class="function" href="can-stache.helpers.case.html" title=""> {{#case expression}} </a> </li> <li class=" "> <a class="function" href="can-stache.helpers.default.html" title=""> {{#default}} </a> </li> <li class=" "> <a class="function" href="can-stache.helpers.joinBase.html" title=""> {{joinBase expressions}} </a> </li> </ul> </li> <li> <span>Types</span> <ul> <li class=" "> <a class="typedef" href="can-stache.getterSetter.html" title="The getterSetter argument passed to registerConverter."> getterSetter </a> </li> <li class=" "> <a class="typedef" href="can-stache.helper.html" title="A helper function passed to can-stache.registerHelper. Given the arguments, returns the content that should be shown in the DOM or a function that will be called on the DOM element the helper was called on."> helper </a> </li> <li class=" "> <a class="typedef" href="can-stache.helperOptions.html" title="The options argument passed to a helper function when called by a helper."> helperOptions </a> </li> <li class=" "> <a class="typedef" href="can-stache.renderer.html" title="A function returned by can-stache that renders a template into an html documentFragment."> renderer </a> </li> <li class=" "> <a class="typedef" href="can-stache.sectionRenderer.html" title="Renders a section. These functions are usually provided as .fn and .inverse on a stache helper's options."> sectionRenderer </a> </li> <li class=" "> <a class="typedef" href="can-stache.simpleHelper.html" title="A helper function passed to can-stache.registerSimpleHelper."> simpleHelper </a> </li> </ul> </li> </ul> </li> <li class=" "> <a class="module" href="can-stache/helpers/route.html" title="Adds stache helpers that use can-route."> can-stache/helpers/route </a> </li> <li class=" "> <a class="module" href="can-stache-bindings.html" title="Provides template event, one-way, and two-way bindings."> can-stache-bindings </a> </li> </ul> </li> <li class=" "> <a class="page" href="can-ecosystem.html" title="Useful libraries that extend or add important features to the core collection."> Ecosystem </a> </li> <li class=" "> <a class="page" href="can-infrastructure.html" title="Utility libraries that power the core and ecosystem collection."> Infrastructure </a> </li> <li class=" "> <a class="page" href="can-legacy.html" title="Former libraries that we still accept patches for, but are not under active development."> Legacy </a> </li> </ul> </div> </div> <div id="right" class="column"> <div class="top-right"> <div class="top-right-top"> <ul class="top-right-bitovi"> <li class="dropdown"> <a href="http://bitovi.com" class="bitovi icon-bits">Bitovi</a> <ul class="dropdown-menu"> <li><a href="http://bitovi.com">Bitovi.com</a></li> <li><a href="http://bitovi.com/blog/">Blog</a></li> <li><a href="http://bitovi.com/consulting/">Consulting</a></li> <li><a href="http://bitovi.com/training/">Training</a></li> <li><a href="http://bitovi.com/open-source/">Open Source</a></li> </ul> </li> </ul> <div class="brand"> <div class="logo"> <a href="../index.html" alt="CanJS"></a> </div> </div> <ul class="top-right-links"> <li> <a href="https://gitter.im/canjs/canjs">Chat</a> </li> <li> <a href="http://forums.donejs.com/c/canjs">Forum</a> </li> <li> <a class="github-button nav-social" href="https://github.com/canjs/canjs" data-count-href="/canjs/canjs/stargazers" data-count-api="/repos/canjs/canjs#stargazers_count">Star</a> </li> <li> <a href="https://twitter.com/canjs" class="twitter-follow-button nav-social" data-show-count="true" data-show-screen-name="false">Follow @canjs</a><script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script> </li> </ul> </div> <div class="breadcrumb"> <li><a href="../index.html">CanJS</a></li> / <li><a href="can-core.html">Core</a></li> / <li><a href="can-stache.html">can-stache</a></li> / <li><a href="can-stache.tags.partial.html">{{>key}}</a></li> <li class="breadcrumb-dropdown">/ <a> On this page</a> <ul class="on-this-page"></ul> </li> <div class="nav-toggle" title="Back to top"></div> </div> </div> <div class="bottom-right"> <article> <section class="title"> <div class="page-type"> <h1>{{>key}}</h1> <div>function</div> </div> <section class="description"> <p>Render another template within the current template.</p> </section> </section> <section class="on-this-page-table"> </section> <section class="title-footer"> <ul class="title-links">  <li><a href="//github.com/canjs/can-stache/tree/v3.0.8/docs/tags/partial.md">source</a></li>   </ul> </section> <div class="signature"> <h2 class="signature-title"> <code>{{>key [EXPRESSION]}}</code> </h2> <p>Looks up another template with <code>key</code> and renders it with the current scope or <code>EXPRESSION</code> added on top of the current scope.</p> <pre><code class="language-js">stache.registerPartial("address.stache", "<p>{{street}} {{city}}</p>"); var template = stache("{{#each people}} {{>address.stache address}} {{/each}}") </code></pre> <div class="parameters"> <h3 class="parameters-title">Parameters</h3> <ol> <li><b>key</b> <code>{<a href="can-stache/expressions/key-lookup.html" title="">KeyLookup Expression</a>|String}</code>: <p>A key used to lookup a <a href="can-stache.renderer.html" title="A function returned by can-stache that renders a template into an html documentFragment.">stache renderer function</a>.</p> <p>The behavior is determined by what the key returns.</p> <p>If the key returns a <code>function</code>, that function is used as the <strong>renderer function</strong>. The <strong>renderer function</strong> is called with the current scope (or a scope modified by <code>EXPRESSION</code>) and the result is inserted in place of the magic tag.</p> <p>If the key returns a <code>string</code>, that string is used as the <strong>renderer function name</strong>. If the key returns <code>undefined</code>, the key itself is used as the <strong>renderer function name</strong>.</p> <p>Once the <strong>renderer function name</strong> is known, the <strong>renderer function</strong> is looked for by the same name. A <strong>renderer function</strong> is looked for in the following places:</p> <ol> <li>In <a href="can-view-scope.Options.html" title="">Options</a>'s <code>partials</code> property.</li> <li>In partials registered with <a href="can-stache.registerPartial.html" title="Register a partial. Register a partial template that can be rendered with can-stache.tags.partial.">registerPartial</a>.</li> <li>For an element whose <code>id</code> matches <strong>renderer function name</strong>. Its <code>innerHTML</code> will be converted to a template.</li> </ol> <p>The <strong>renderer function</strong> is called with the current scope (or a scope modified by <code>EXPRESSION</code>) and the result is inserted in place of the magic tag.</p> </li> <li><b>EXPRESSION</b> <code>{<a href="can-stache/expressions/key-lookup.html" title="">KeyLookup Expression</a>|<a href="can-stache/expressions/call.html" title="">Call Expression</a>}</code>: <p>An optional expression that adds a new context to the <a href="can-view-scope.html" title="Create a lookup node for keys.">can-view-scope</a> the template is rendered with.</p> </li> </ol> </div> </div> <section class="body"> <h2>Use</h2> <p>Partials are templates embedded in other templates. Partials begin with a greater than sign, like <code>{{>my_partial}}</code>. Partials inherit the calling scope.</p> <p>Partials render at runtime, so recursive partials are possible but make sure you avoid infinite loops.</p> <p>Partials are typically registered <a href="can-stache.registerPartial.html" title="Register a partial. Register a partial template that can be rendered with can-stache.tags.partial.">registerPartial</a> like:</p> <pre><code>stache.registerPartial("address.stache", "<p>{{street}} {{city}}</p>"); </code></pre> <p>And called within another template like:</p> <pre><code>var template = stache("{{#person.address}} {{>address.stache}} {{/person.address}}"); </code></pre> <p>With data like <code>{person: {address: {street: "123 Evergreen", city: "Chicago"}}}</code>, rendering <code>template</code> would produce:</p> <pre><code><p>123 Evergreen Chicago</p> </code></pre> <p>The 2nd argument to <code>{{>key}}</code> can specify a different context for the partial to be rendered with. The following example renders the same thing as above:</p> <pre><code>var template = stache("{{#person}} {{>address.stache address}} {{/person}}"); </code></pre> <h2>Functions as partials</h2> <p><code>{{>key}}</code> can be used to call <a href="can-stache.renderer.html" title="A function returned by can-stache that renders a template into an html documentFragment.">renderer</a> functions in the scope. For example:</p> <pre><code>DATA { item: {name: "Justin"}, myPartial: stache("{{name}}") } TEMPLATE: {{#item}}{{>myPartial}}{{/item}} RESULT: Justin </code></pre> <h2>Script tags as partials</h2> <p><code>{{>key}}</code> can be used to render the contents of script tags.</p> <p>For example, if you've embedded a partial like:</p> <pre><code><script type='text/stache' id='todo-stache'> <li>{{name}}</li> </script> </code></pre> <p>This can be rendered like:</p> <pre><code>{{#each todos}}{{>todo-stache}}{{/each}} </code></pre> </section> <script type="text/javascript"> var docObject = {"src":{"path":"node_modules/can-stache/docs/tags/partial.md"},"description":"\nRender another template within the current template.\n","title":"{{>key}}","name":"can-stache.tags.partial","type":"function","parent":"can-stache.tags","order":6,"signatures":[{"code":"{{>key [EXPRESSION]}}","description":"\n\nLooks up another template with `key` and renders it with the current scope or\n`EXPRESSION` added on top of the current scope.\n\n```js\nstache.registerPartial(\"address.stache\", \"<p>{{street}} {{city}}</p>\");\nvar template = stache(\"{{#each people}} {{>address.stache address}} {{/each}}\")\n```\n","params":[{"types":[{"type":"can-stache/expressions/key-lookup"},{"type":"String"}],"name":"key","description":"A key used to lookup a\n[can-stache.renderer stache renderer function]. \n\nThe behavior is determined by what the key returns. \n\nIf the key returns\na `function`, that function is used as the __renderer function__. The __renderer function__\nis called with the current scope (or a scope modified by `EXPRESSION`) and the\nresult is inserted in place of the magic tag.\n\nIf the key returns a `string`, that string is used as the __renderer function name__.\nIf the key returns `undefined`, the key itself is used as the __renderer function name__.\n\nOnce the __renderer function name__ is known, the __renderer function__ is looked for\nby the same name. A __renderer function__ is looked for in the following places:\n\n 1. In [can-view-scope.Options]'s `partials` property.\n 2. In partials registered with [can-stache.registerPartial].\n 3. For an element whose `id` matches __renderer function name__. Its `innerHTML` will be converted to a template.\n\nThe __renderer function__\nis called with the current scope (or a scope modified by `EXPRESSION`) and the\nresult is inserted in place of the magic tag.\n"},{"types":[{"type":"can-stache/expressions/key-lookup"},{"type":"can-stache/expressions/call"}],"optional":true,"name":"EXPRESSION","description":"An\noptional expression that adds a new context to the [can-view-scope] the template is\nrendered with.\n\n\n"}]}],"_curParam":{"types":[{"type":"can-stache/expressions/key-lookup"},{"type":"can-stache/expressions/call"}],"optional":true,"name":"EXPRESSION","description":"An\noptional expression that adds a new context to the [can-view-scope] the template is\nrendered with.\n\n\n"},"comment":" ","pathToRoot":".."}; </script> </article> <footer><p>CanJS is part of <a href="http://donejs.com" target="_blank">DoneJS</a>. Created and maintained by the core <a href="https://donejs.com/About.html#section=section_Team" target="_blank">DoneJS team</a> and <a href="http://bitovi.com" target="_blank">Bitovi</a>. <strong>Currently 3.0.0.</strong></p></footer> </div> </div> </div> <script> steal = { instantiated: { "bundles/bit-docs-site/static.css!$css" : null } }; </script> <script type='text/javascript' data-main="bit-docs-site/static" src="./static/node_modules/steal/steal.production.js"></script> <script async defer src="https://buttons.github.io/buttons.js"></script> </body> </html>