Starting with Safari 5/Firefox 4, it’s easiest to use the FormData class: var data = new FormData(); jQuery.each(jQuery(‘#file’)[0].files, function(i, file) { data.append(‘file-‘+i, file); }); So now you have a FormData object, ready to be sent along with the XMLHttpRequest. jQuery.ajax({ url: ‘php/upload.php’, data: data, cache: false, contentType: false, processData: false, method: ‘POST’, type: ‘POST’, // … Read more
File upload is not possible through AJAX. You can upload file, without refreshing page by using IFrame. You can check further details here. UPDATE With XHR2, File upload through AJAX is supported. E.g. through FormData object, but unfortunately it is not supported by all/old browsers. FormData support starts from following desktop browsers versions. IE 10+ … Read more
Introduction To browse and select a file for upload you need a HTML <input type=”file”> field in the form. As stated in the HTML specification you have to use the POST method and the enctype attribute of the form has to be set to “multipart/form-data”. <form action=”upload” method=”post” enctype=”multipart/form-data”> <input type=”text” name=”description” /> <input type=”file” … Read more
imgInp.onchange = evt => { const [file] = imgInp.files if (file) { blah.src = URL.createObjectURL(file) } } <form runat=”server”> <input accept=”image/*” type=”file” id=”imgInp” /> <img id=”blah” src=”#” alt=”your image” /> </form>
You could use a client side uploading component that supports this. Uploadify, plupload and AJAX upload are some examples of such controls. And if you don’t want to use a third party control you could implement this functionality yourself. The HTML5 File API allows you to do that. There’s an example in this article I … Read more