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copied!<p><strong>UPDATE:</strong></p> <p>Whatever the code you're looking at (and you should edit your post to include an example) it is not pure Javascript, because Javascript syntax does not use any @ signs.</p> <p>If you want to confirm that for yourself, you can go through the <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference" rel="nofollow noreferrer">Javascript syntax reference page on the Mozilla Developer Network</a>.</p> <p>I've added examples of code that does use @@ here to help you identify your code.</p> <p>This is most likely <strong>C# Razor</strong> syntax:</p> <pre><code><span>In Razor, you use the @@foo to display the value of foo</span> </code></pre> <p>It is used to escape the @ when you want to print the @ and not a variable.</p> <p>Source: <a href="http://haacked.com/archive/2011/01/06/razor-syntax-quick-reference.aspx" rel="nofollow noreferrer">http://haacked.com/archive/2011/01/06/razor-syntax-quick-reference.aspx</a></p> <p>It could be <strong>Ruby</strong> syntax:</p> <pre><code>def self.debug return @@debug end </code></pre> <p>In Ruby @@ indicates a class variable.</p> <p>Ref: <a href="https://stackoverflow.com/a/5890199/1005039">https://stackoverflow.com/a/5890199/1005039</a></p> <p>It could also be <strong>MySQL</strong> syntax:</p> <pre><code>set debug= 'T'; select @@debug; @@debug T set debug= '+P'; select @@debug; @@debug P:T set debug= '-P'; select @@debug; @@debug T </code></pre> <p>In MySQL, @@ indicates variables</p> <p>Source: <a href="http://dev.mysql.com/doc/refman/5.0/en/set-statement.html" rel="nofollow noreferrer">http://dev.mysql.com/doc/refman/5.0/en/set-statement.html</a></p> <p>It could also be <strong>PostgreSQL</strong> syntax:</p> <pre><code>SELECT description FROM product WHERE description @@ '%apple%' </code></pre> <p>Source: <a href="https://stackoverflow.com/questions/14835866/postgres-match-operator">Postgres match operator @@</a></p>

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