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POJade template rendering error div despite undefined errors object
 

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    <p>When hitting my sign-up page my jade template (with Twitter Bootstrap) is producing an empty error div (i.e. a red, opaque box with a closing link and no errors), despite the errors object returning typeof as 'undefined'. I've used <a href="https://stackoverflow.com/questions/858181/how-to-check-a-not-defined-variable-in-javascript">this post</a> for guidance on checking the value of errors. The code follows:</p> <p><strong>The controller:</strong></p> <pre><code>/** * Show sign up form */ exports.signup = function(req, res) { res.render('users/signup', { title: 'Sign up', user: new User() }); }; </code></pre> <p><strong>The Jade template:</strong></p> <pre><code>extends ../layouts/default block content .row //-.offset1.span5 .span6 a(href="/auth/facebook") img(src="/img/icons/facebook.png") //- a(href="/auth/github") //- img(src="/img/icons/github.png") a(href="/auth/twitter") img(src="/img/icons/twitter.png") a(href="/auth/google") img(src="/img/icons/google.png") .span6 if (typeof errors != 'undefined') // The following alert shouldn't be rendered .fade.in.alert.alert-block.alert-error a.close(data-dismiss="alert", href="javascript:void(0)") x ul each error in errors //- li= error.param li= error.msg block auth </code></pre> <p>I've tried the following, but get the same result every time:</p> <pre><code>if (typeof errors != 'undefined') if (typeof errors !== 'undefined') if (typeof errors != undefined) if (typeof errors !== undefined) if (null != errors) if (null !== errors) </code></pre>
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