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jashkenas--coffeescript/documentation/docs/browser.html
Jeremy Ashkenas c50cf23b7b CoffeeScript 0.9.4
2010-09-21 23:58:05 -04:00

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<!DOCTYPE html> <html> <head> <title>browser.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="scope.html"> scope.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> browser.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-1">#</a> </div> <p>Override exported methods for non-Node.js engines.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CoffeeScript = </span><span class="nx">require</span> <span class="s1">&#39;./coffee-script&#39;</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-2">#</a> </div> <p>Use standard JavaScript <code>eval</code> to eval code.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CoffeeScript.eval = </span><span class="p">(</span><span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="o">-&gt;</span>
<span class="nb">eval</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-3">#</a> </div> <p>Running code does not provide access to this scope.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CoffeeScript.run = </span><span class="p">(</span><span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="o">-&gt;</span>
<span class="p">(</span><span class="nb">Function</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">)()</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-4">#</a> </div> <p>If we're not in a browser environment, we're finished with the public API.</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">return</span> <span class="nx">unless</span> <span class="nb">window</span><span class="o">?</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-5">#</a> </div> <p>Load a remote script from the current domain via XHR.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CoffeeScript.load = </span><span class="p">(</span><span class="nx">url</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="o">-&gt;</span>
<span class="nv">xhr = </span><span class="k">new</span> <span class="p">(</span><span class="nb">window</span><span class="p">.</span><span class="nx">ActiveXObject</span> <span class="o">or</span> <span class="nx">XMLHttpRequest</span><span class="p">)(</span><span class="s1">&#39;Microsoft.XMLHTTP&#39;</span><span class="p">)</span>
<span class="nx">xhr</span><span class="p">.</span><span class="nx">open</span> <span class="s1">&#39;GET&#39;</span><span class="p">,</span> <span class="nx">url</span><span class="p">,</span> <span class="kc">true</span>
<span class="nx">xhr</span><span class="p">.</span><span class="nx">overrideMimeType</span> <span class="s1">&#39;text/plain&#39;</span> <span class="k">if</span> <span class="s1">&#39;overrideMimeType&#39;</span> <span class="k">of</span> <span class="nx">xhr</span>
<span class="nv">xhr.onreadystatechange = </span><span class="o">-&gt;</span>
<span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">run</span> <span class="nx">xhr</span><span class="p">.</span><span class="nx">responseText</span><span class="p">,</span> <span class="nx">options</span> <span class="k">if</span> <span class="nx">xhr</span><span class="p">.</span><span class="nx">readyState</span> <span class="o">is</span> <span class="mi">4</span>
<span class="nx">xhr</span><span class="p">.</span><span class="nx">send</span> <span class="kc">null</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-6">#</a> </div> <p>Activate CoffeeScript in the browser by having it compile and evaluate
all script tags with a content-type of <code>text/coffeescript</code>.
This happens on page load.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">processScripts = </span><span class="o">-&gt;</span>
<span class="k">for</span> <span class="nx">script</span> <span class="k">in</span> <span class="nb">document</span><span class="p">.</span><span class="nx">getElementsByTagName</span> <span class="s1">&#39;script&#39;</span>
<span class="k">if</span> <span class="nx">script</span><span class="p">.</span><span class="nx">type</span> <span class="o">is</span> <span class="s1">&#39;text/coffeescript&#39;</span>
<span class="k">if</span> <span class="nx">script</span><span class="p">.</span><span class="nx">src</span>
<span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">load</span> <span class="nx">script</span><span class="p">.</span><span class="nx">src</span>
<span class="k">else</span>
<span class="nx">setTimeout</span> <span class="o">-&gt;</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">run</span> <span class="nx">script</span><span class="p">.</span><span class="nx">innerHTML</span>
<span class="kc">null</span>
<span class="k">if</span> <span class="nb">window</span><span class="p">.</span><span class="nx">addEventListener</span>
<span class="nx">addEventListener</span> <span class="s1">&#39;DOMContentLoaded&#39;</span><span class="p">,</span> <span class="nx">processScripts</span><span class="p">,</span> <span class="kc">false</span>
<span class="k">else</span>
<span class="nx">attachEvent</span> <span class="s1">&#39;onload&#39;</span><span class="p">,</span> <span class="nx">processScripts</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
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