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POHTML5 JavaScript Pasting Image Data in Chrome
 

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    <p>How do I develop a working example using this plugin: <a href="http://strd6.com/2011/09/html5-javascript-pasting-image-data-in-chrome/" rel="nofollow">HTML5 JavaScript Pasting Image Data in Chrome</a></p> <p>The author has put together a great example that seems like it would suit our purposes. I'm not familiar with creating a jQuery plugin however. </p> <p>The goal will be to use this plugin to paste clipboard images into a rich text editor such as TinyMCE. </p> <pre><code>&lt;!doctype html&gt; &lt;html&gt; &lt;head&gt; &lt;meta charset="utf-8"&gt; &lt;title&gt;PASTE IMAGE&lt;/title&gt; &lt;script type="text/javascript" src="js/jquery-1.7.1.min.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="js/jquery-ui-1.8.18.custom.min.js"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; // Created by STRd6 // MIT License // jquery.paste_image_reader.js (function($) { var defaults; $.event.fix = (function(originalFix) { return function(event) { event = originalFix.apply(this, arguments); if (event.type.indexOf('copy') === 0 || event.type.indexOf('paste') === 0) { event.clipboardData = event.originalEvent.clipboardData; } return event; }; })($.event.fix); defaults = { callback: $.noop, matchType: /image.*/ }; $.fn.pasteImageReader = function(options) { if (typeof options === "function") { options = { callback: options }; } options = $.extend({}, defaults, options); return this.each(function() { var $this, element; element = this; $this = $(this); $this.bind('paste', function(event) { var clipboardData, found; found = false; clipboardData = event.clipboardData; Array.prototype.forEach.call(clipboardData.types, function(type, i) { var file, reader; if (found) { return; } if (!type.match(options.matchType)) { return; } file = clipboardData.items[i].getAsFile(); reader = new FileReader(); reader.onload = function(evt) { options.callback.call(element, { filename: file.name, dataURL: evt.target.result }); }; reader.readAsDataURL(file); found = true; }); }); }); }; })(jQuery); $("html").pasteImageReader (results) -&gt; {filename, dataURL} = results $("body").css backgroundImage: "url(#{dataURL})" &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>I'm confused by the plugin call:</p> <pre><code>$("html").pasteImageReader (results) -&gt; {filename, dataURL} = results $("body").css backgroundImage: "url(#{dataURL})" </code></pre> <p>That doesn't look like jQuery that I've seen. Is it specific to the plugin itself? Any guidance would be greatly appreciated!</p>
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    1. COLast code _plugin call_ isn't a JavaScript, so it's not a jQuery. Answer is in the plugin code.
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    2. COIts CoffeeScript - and since CoffeeScript compiles to Javascript, it IS jQuery. See my answer below.
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