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                         Intro
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                            <b>0.1.</b>
                        
                         Self Invoking Functions
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                            <b>0.2.</b>
                        
                         Floats Operations Imprecision
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                            <b>0.3.</b>
                        
                         Hoisting and Conditionals
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                            <b>0.4.</b>
                        
                         Checking Properties
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                            <b>0.5.</b>
                        
                         Closure and Objects
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                            <b>0.6.</b>
                        
                         Conditionals and Functions
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                            <b>0.7.</b>
                        
                         Delete
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                            <b>0.8.</b>
                        
                         Detect Internet Explorer
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                            <b>0.9.</b>
                        
                         Don&#39;t judge a book by its cover
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                            <b>0.10.</b>
                        
                         Encapsulate collection
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                            <b>0.11.</b>
                        
                         Even or Odd
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                            <b>0.12.</b>
                        
                         Exit nested loop
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                            <b>0.13.</b>
                        
                         #1 Fooling around boolean
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                            <b>0.14.</b>
                        
                         #2 Fooling around boolean
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                            <b>0.15.</b>
                        
                         Ghost Array
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                            <b>0.16.</b>
                        
                         Input Search
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                            <b>0.17.</b>
                        
                         Invaluable
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                            <b>0.18.</b>
                        
                         JSON
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                            <b>0.19.</b>
                        
                         Nested Scopes
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                            <b>0.20.</b>
                        
                         Now you see me...
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                            <b>0.21.</b>
                        
                         Frozen
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                            <b>0.22.</b>
                        
                         Point
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                            <b>0.23.</b>
                        
                         Running Man
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                            <b>0.24.</b>
                        
                         Scope
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                            <b>0.25.</b>
                        
                         Spartacus
                    </a>
                
            
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                            <b>0.26.</b>
                        
                         Terminator
                    </a>
                
            
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                            <b>0.27.</b>
                        
                         Timers
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                            <b>0.28.</b>
                        
                         Undefined Values in Arrays
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                            <b>0.29.</b>
                        
                         Array Map and ParseInt
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                            <b>0.30.</b>
                        
                         Variable Scope
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        <a href="../" >Javascript Challenges</a>
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                    <section class="normal" id="section-gitbook_131">
                    
                        <h1 id="terminator">Terminator</h1>
<p>Here you have the prototype code of the next Terminator fan page:</p>
<pre><code>&lt;!DOCTYPE html&gt;
&lt;html&gt;
    &lt;head&gt;
        &lt;title&gt;Terminator Fan Page&lt;/title&gt;
    &lt;/head&gt;
    &lt;body&gt;
        &lt;form action=&quot;/&quot;&gt;
            &lt;input type=&quot;text&quot; name=&quot;name&quot;/&gt;
            &lt;input type=&quot;submit&quot; value=&quot;Send&quot;/&gt;
        &lt;/form&gt;
    &lt;/body&gt;
&lt;/html&gt;
</code></pre><p>One of my colleagues has written the next code that will log the name we send using the form in the previous page.</p>
<pre><code>&lt;script&gt;
    function sayonara( name ) {
        console.log( &#39;Sayonara &#39; + name + &#39;!&#39; );
    }

    sayonara( greetings );
&lt;/script&gt;
</code></pre><p>But then someone sends the next message as a name and the behaviour of the page changes...</p>
<pre><code>&#39;&lt;/script&gt;&lt;script&gt;console.log(&quot;I will come back!&quot;)&lt;/script&gt;&lt;script&gt;&#39;
</code></pre><p>Here is an example of executing the page with the bug:</p>
<pre><code>&lt;!DOCTYPE html&gt;
&lt;html&gt;
    &lt;head&gt;&lt;/head&gt;
    &lt;body&gt;
        &lt;script&gt;
            var result = &#39;&#39;;
            function sayonara( name ) {
                result = &#39;Sayonara &#39; + name + &#39;!&#39;;
            }

            sayonara( &#39;&lt;/script&gt;&lt;script&gt;console.log(&quot;I will come back!&quot;)&lt;/script&gt;&lt;script&gt;&#39; );
        &lt;/script&gt;
    &lt;/body&gt;
&lt;/html&gt;
</code></pre>
                    
                    </section>
                
                    <section class="exercise" id="section-gitbook_132">
                    
                        <div class="header">
    <h2>Exercise</h2>
</div>
<div class="alert alert-success">
    <b>Correct!</b>
</div>

<div class="alert alert-danger error-message">
    <b>False!</b>
</div>

<div class="message">
    <p>Fix the code:</p>

</div>
<div class="editor" style="height: 120px">var result = &#39;&#39;;
function sayonara( name ) {
    result = &#39;Sayonara &#39; + name + &#39;!&#39;;
}

sayonara( &#39;&lt;/script&gt;&lt;script&gt;console.log(&quot;I will come back!&quot;)&lt;/script&gt;&lt;script&gt;&#39; );</div>

<pre class="hidden code-solution">var result = &#39;&#39;;
function sayonara( name ) {
    result = &#39;Sayonara &#39; + name + &#39;!&#39;;
}

sayonara( &#39;&lt;\/script&gt;&lt;script&gt;console.log(&quot;I will come back!&quot;)&lt;\/script&gt;&lt;script&gt;&#39; );</pre>
<pre class="hidden code-validation">assert(result === &#39;Sayonara &lt;\/script&gt;&lt;script&gt;console.log(&quot;I will come back!&quot;)&lt;\/script&gt;&lt;script&gt;!&#39;);</pre>


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