Show inline previews of images that are going to be uploaded.
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// Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication | |
// http://creativecommons.org/publicdomain/zero/1.0/ | |
(function (win,doc) { | |
'use strict'; | |
if (!win.FileReader || !win.addEventListener || !doc.querySelectorAll) { | |
// doesn't cut the mustard. | |
return; | |
} | |
doc.querySelectorAll('input[type="file"][accept="image/*"]').forEach( function (fileInput) { | |
fileInput.addEventListener('change', function () { | |
var files = fileInput.files; | |
if (files) { | |
files.forEach( function (file) { | |
var fileReader = new FileReader(); | |
fileReader.readAsDataURL(file); | |
fileReader.addEventListener('load', function () { | |
fileInput.insertAdjacentHTML( | |
'afterend', | |
'<img src="' + this.result + '">' | |
); | |
}); | |
} | |
} | |
}); | |
} | |
}(this, this.document)); |
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