Script to grab youtube links present in a quora answer. **Still working on it**

grab-quora-yt.js

javascript: function init() {
	// the minimum version of jQuery we want
	var v = "1.3.2";
	// check prior inclusion and version
	if (window.jQuery === undefined || window.jQuery.fn.jquery < v) {
		var done = false;
		var script = document.createElement("script");
		script.src = "http://ajax.googleapis.com/ajax/libs/jquery/" + v + "/jquery.min.js";
		script.onload = script.onreadystatechange = function() {
			if (!done && (!this.readyState || this.readyState == "loaded" || this.readyState == "complete")) {
				done = true;
			}
		};
		document.getElementsByTagName("head")[0].appendChild(script);
	}
}
var links;
function addButton(buttonName, func) {
    var element = document.createElement("input");
    element.setAttribute("type", "button");
    element.setAttribute("value", buttonName);
    element.setAttribute("name", buttonName);
    element.setAttribute("onclick", func);
    return element;
    //document.flotta.appendChild(element);
}

function saveTextAsFile()
{
	var textToWrite = $('#youtube-download-span').text().replace(/www\./g, "\nwww.");
	var textFileAsBlob = new Blob([textToWrite], {type:'text/plain'});
	var fileNameToSaveAs = "youtube links";

	var downloadLink = document.createElement("a");
	downloadLink.download = fileNameToSaveAs;
	downloadLink.innerHTML = "Download File";
	if (window.webkitURL != null)
	{
		// Chrome allows the link to be clicked
		// without actually adding it to the DOM.
		downloadLink.href = window.webkitURL.createObjectURL(textFileAsBlob);
	}
	else
	{
		// Firefox requires the link to be added to the DOM
		// before it can be clicked.
		downloadLink.href = window.URL.createObjectURL(textFileAsBlob);
		downloadLink.onclick = destroyClickedElement;
		downloadLink.style.display = "none";
		document.body.appendChild(downloadLink);
	}

	downloadLink.click();
}

function createPlaylistURL()
{
	_frontURL = 'http://www.youtube.com/v/';
	_middleUrl = '?version=3&loop=1&playlist=';
	return _frontURL + links[0] + _middleUrl + links.splice(1, links.length - 1);
}

function createPlaylist()
{
	var _playlist = document.createElement('a');
	_playlist.href = createPlaylistURL(); //http://www.google.com"; 
	_playlist.target = '_blank';
	document.body.appendChild(_playlist);
	_playlist.click();
	_playlist.parentNode.removeChild(_playlist);
}

function grabLinks() {
	divs = jQuery(".qtext_embed");
	_results = [];
	for (_i = 0; _i < divs.length; _i++) {
		var yt_id = jQuery(divs[_i]).attr('data-yt-id');
		if (yt_id.length > 0) {
			//alert(yt_id);
			_results.push(yt_id);
		}
	}
	return _results;
}

function createLinkText(linkIds)
{
	var link_div = document.createElement('div');
	var yt_front = 'www.youtube.com/watch?v='
	for(_i = 0; _i < linkIds.length; _i++)
	{
		var link_text = document.createElement('h3');
		link_text.style.color = '#cc0000';
		link_text.innerHTML = yt_front + linkIds[_i];
		link_div.appendChild(link_text);
	}
	return link_div;
}

function start() {
	init();
	links = grabLinks();
	var download_div = document.createElement('span');
	download_div.id = 'youtube-download-span';
	var style = download_div.style;
	style.padding = '5px';
	style.borderRadius = '1em';
	style.lineHeight = '1.6';
	style.display = 'inline-block';
	style.margin = '5px auto';
	style.boxShadow = '4px 4px 3px #999';
	style.border = '1px #999 solid';
	style.backgroundColor = '#ffe'; 
	download_div.appendChild(createLinkText(links)); 
	var container_div = document.createElement('div');
	container_div.style.textAlign = 'center';
	
	download_div.appendChild(addButton("Create playlist", "createPlaylist()"));
	download_div.appendChild(addButton("Save as Text", "saveTextAsFile()"));
	container_div.appendChild(download_div);
	
	
	//container_div.style.position = 'absolute';
	//container_div.style.top = 0;
	//jQuery(container_div).appendTo(document.body);
	document.body.insertBefore(container_div,document.body.firstChild);
}
start();