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POjavascript formdata via ajax
 

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    <p>I am trying to upload a file via AJAX and PHP. I have a HTML form as below:</p> <pre><code>&lt;form method="post" id="sectiononeform" name="sectiononeform" enctype="multipart/form-data"&gt; &lt;div class="clearfix"&gt; &lt;input type="text" name="customHeading1" id="customHeading1" class="span10" value=""/&gt; &lt;/div&gt; &lt;!-- Gets replaced with TinyMCE, remember HTML in a textarea should be encoded --&gt; &lt;div class="clearfix"&gt; &lt;textarea id="elm1" name="elm1" rows="15" class="xxlarge" cols="80" style="width: 80%"&gt; &lt;/textarea&gt; &lt;/div&gt; &lt;div class="clearfix"&gt; &lt;input type="file" name="file1" id="file1" class="span10" /&gt; &lt;/div&gt; &lt;div class="clearfix"&gt; &lt;div class="actions"&gt; &lt;input type="submit" id="saveSection1" name="saveSection1" value="Submit" /&gt; &lt;input type="reset" name="resetSection1" value="Reset" /&gt; &lt;/div&gt; &lt;/div&gt; &lt;/form&gt; </code></pre> <p>My jquery code is as follows:</p> <pre><code>$(document).ready(function(){ $("#saveSection1").click(function(e){ e.preventDefault(); var formdata = false; /*function showUploadedItem (source) { var list = document.getElementById("image-list"), li = document.createElement("li"), img = document.createElement("img"); img.src = source; li.appendChild(img); list.appendChild(li); } */ if (window.FormData) { formdata = new FormData(); //document.getElementById("btn").style.display = "none"; } var len = document.getElementById("file1").files.length, img, reader, file; for (var i = 0 ; i &lt; len; i++ ) { file = document.getElementById("file1").files[i]; if (!!file.type.match(/image.*/)) { if (window.FileReader ) { reader = new FileReader(); /*reader.onloadend = function (e) { showUploadedItem(e.target.result, file.fileName); };*/ reader.readAsDataURL(file); } if (formdata) { alert("form data"); formdata.append("customHeading1", document.getElementById("customHeading1").value); formdata.append("elm1", document.getElementById("elm1").value); formdata.append("custsection1", 1); formdata.append("venue_id", document.getElementById("venue_id").value); formdata.append("images[]", file); alert(formdata); } } } var params = $("form#sectiononeform").serialize(); //alert("params" + params); params = params + "&amp;custsection1=1&amp;venue_id=" + $("#venue_id").val() + "&amp;formdata=" + formdata; //alert(params); $.ajax({ type: 'POST', url: 'saveCustomSectionData.php', data: formdata, success: function(data){ alert(data); } }); }); }); </code></pre> <p>My issue is that when I don't use the file input type, I can just serialize the form values and send it through AJAX. Since I am using file input type, I am using formdata and appending information to it. Is this the right way to send data. I am not getting any response back from php, neither can i see any request in firebug. Instead I get some vague error as "Illegal operation on WrappedNative prototype object". Any suggestions?</p>
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