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  1. PO
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    <p>I just want to give you a hint for a possible solution without html elements.</p> <p>You can create a new functional object for team:</p> <pre><code>var Team = function (id, name) { this.name = name; this.id = id; } </code></pre> <p>Create an array which will contain teams:</p> <pre><code>var TeamList = []; </code></pre> <p>Add you Teams:</p> <pre><code>TeamList.push(new Team(1, "Team 1")); TeamList.push(new Team(2, "Team 2")); TeamList.push(new Team(3, "Team 3")); TeamList.push(new Team(4, "Team 4")); </code></pre> <p>Write a function which loops trough the list of teams and checks with the id if a team already exists:</p> <pre><code>function containsTeam(id) { for (var i = 0; i &lt; TeamList.length; i++) { if (TeamList[i].id == id) { return true; } } return false; } </code></pre> <p>Just check it:</p> <pre><code>containsTeam(1); //returns true containsTeam(5); //returns false </code></pre> <p>Have a look at the <a href="http://jsfiddle.net/sLTMH/8/" rel="nofollow"><strong>jsFiddle DEMO</strong></a> and open the console to see the output.</p> <p><strong>EDIT:</strong> In addition, to remove an element you can write a function which looks pretty much the same as the containsTeam function. Just use <code>array.splice</code> instead of returning true:</p> <pre><code>function removeTeam(id) { for (var i = 0; i &lt; TeamList.length; i++) { if (TeamList[i].id == id) { TeamList.splice(i, 1); } } } </code></pre> <p>And remove a team:</p> <pre><code>removeTeam(3); </code></pre>
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    1. POCheck if team already added
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    1. USMarcel Gwerder
    1. USMarcel Gwerder
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    1. COThanks a lot! This makes perfect sense, and then I can get rid of the HTML elements. How do I remove the team from the TeamList-array?
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      1. UShskrijelj
    2. COHave a look at my update
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      1. USMarcel Gwerder
    3. COWorks as a charm - both the add/check/remove part! Can you tell me, why I can't add this remove event to the team-invited-div: div.onclick = 'removeTeam(' + teamID + ')';
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