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POform POST in iframe without affecting history
 

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    <p>Is it possible to submit a form inside an iframe without affecting the browser's history?</p> <p>I've implemented sending a cross domain POST request. It uses Javascript to create and submit a form inside an iframe. It works, but each request adds an item to the browser's history. </p> <p>Anyone know a way around this? I've tried creating the iframe with both innerHTML and createElement. I've seen no difference so far. </p> <p>PS - I would love to use XMLHtttpRequest ("Ajax"), but it doesn't support sending data across domains. And I would love to use GET instead of post, but I need to send more than 2k of data.</p> <p>Here's one version of my code. I've tried many variations and have searched all over, butI can't seem to find a solution that doesn't affect the browser's history. I believe it's not possible -- can anyone confirm that?</p> <pre><code>&lt;html&gt; &lt;head&gt; &lt;script type="text/javascript"&gt; function submit(params) { var div = document.createElement('div'); div.innerHTML = '&lt;iframe height="50" width="50"&gt;&lt;/iframe&gt;'; document.body.appendChild(div); var iframe = div.firstChild; var iframeDocument = iframe.contentDocument || iframe.contentWindow.document; iframeDocument.open(); iframeDocument.close(); var form = iframeDocument.createElement('form'); iframeDocument.body.appendChild(form); form.setAttribute('action', 'http://some-other-domain.com/submit-here'); form.setAttribute('method', 'POST'); for (param in params) { var field = iframeDocument.createElement('input'); field.setAttribute('type', 'hidden'); field.setAttribute('name', param); field.setAttribute('value', params[param]); form.appendChild(field); } form.submit(); } window.onload = function() { document.getElementById('button').onclick = function() { submit({ 'x' : 'Some Value', 'y' : 'Another Value', 'z' : new Date().getTime() }); } } &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;h1&gt;Example of using Javascript to POST across domains...&lt;/h1&gt; &lt;input id="button" type="button" value="click to send"&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
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    1. COWhy can't you just use ajax to submit the form? That would stop you from reloading any pages, which should free up your history. Am I missing something?
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      1. USAlex Sexton
    2. COI need to post cross domain. Ajax (XMLHttpRequest) POST doesn't support sending data to a domain which is different from the host page.
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    3. COI think you actually can send a POST request vis ajax. See my updated answer. I hope it helps.
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      1. USRobert Massaioli
 

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