StackOverflow2013

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primarykey
Id
14853880
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0
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0
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6
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CreationDate
2013-02-13T12:45:00.183
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0
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2017-12-28T10:26:24.327
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2017-12-28T10:26:24.327
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449444
OwnerUserId
851811
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14853779
PostTypeId
2
Score
107
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0
LastEditorDisplayName
text
Body
<p>You could use an <code>onclick</code> event handler in order to get the input value for the text field. Make sure you give the field an unique <code>id</code> attribute so you can refer to it safely through <code>document.getElementById()</code>: </p> <p>If you want to dynamically add elements, you should have a container where to place them. For instance, a <code><div id="container"></code>. Create new elements by means of <code>document.createElement()</code>, and use <code>appendChild()</code> to append each of them to the container. You might be interested in outputting a meaningful <code>name</code> attribute (e.g. <code>name="member"+i</code> for each of the dynamically generated <code><input></code>s if they are to be submitted in a form.</p> <p>Notice you could also create <code><br/></code> elements with <code>document.createElement('br')</code>. If you want to just output some text, you can use <code>document.createTextNode()</code> instead.</p> <p>Also, if you want to clear the container every time it is about to be populated, you could use <code>hasChildNodes()</code> and <code>removeChild()</code> together.</p> <pre><code><html> <head> <script type='text/javascript'> function addFields(){ // Number of inputs to create var number = document.getElementById("member").value; // Container <div> where dynamic content will be placed var container = document.getElementById("container"); // Clear previous contents of the container while (container.hasChildNodes()) { container.removeChild(container.lastChild); } for (i=0;i<number;i++){ // Append a node with a random text container.appendChild(document.createTextNode("Member " + (i+1))); // Create an <input> element, set its type and name attributes var input = document.createElement("input"); input.type = "text"; input.name = "member" + i; container.appendChild(input); // Append a line break container.appendChild(document.createElement("br")); } } </script> </head> <body> <input type="text" id="member" name="member" value="">Number of members: (max. 10)<br /> <a href="#" id="filldetails" onclick="addFields()">Fill Details</a> <div id="container"/> </body> </html> </code></pre> <p>See a working sample in this <a href="http://jsfiddle.net/t656N/1/" rel="noreferrer">JSFiddle</a>.</p>
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1. POAdding input elements dynamically to form
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1. USRené
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1. USXavi López
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1. COI followed your advice. But when I click on, the browser console shows this error: `Uncaught TypeError: Cannot call method 'appendChild' of undefined `
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