How to show page preview of url entered like facebook wall? [closed] - javascript

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I that small description of the page should appear when user enters the url.
I have textbox where user enters url. I want when url is entered small textarea and div should appear which gives the preview of that url page content.

Here is jQuery library using PHP with curl doing just that:
https://github.com/LeonardoCardoso/Facebook-Link-Preview

Facebook takes the image from the this element in your header:
<link rel="image_src" href="http://yoursite.com/thumbImage.jpg" >
You can also use the specific meta tag for facebook:
<meta property='og:image' content='http://yoursite.com/thumbImage.jpg'/>
Documentation here.
If none of them exist, then it it will take the first image on your site.

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Javascript datepicker inside prompt [closed]

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I've never seen it before, but I reckon it can be done.
I'm making an application right now, and I use a prompt in javascript to get the requried data, like
description = prompt ("insert your description here, please");
Now, we want to be able to retrieve a date from a datepicker inside this prompt.
So, prompt comes up, asks for a description, you fill in your description, click ok, and then another prompt box comes up with a datepicker. That's the idea, but it seems impossible to achieve.
Can someone guide me to the right direction?
It looks like a modal dialog would be more appropriate than a form:
http://jqueryui.com/dialog/#modal-form

Comodo TrustLogo Wiping Out JS based pages [closed]

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So I'm guessing this happens with.. many.. somewhat old-tech things like this, but I have a javascript only website based on backbone, and have shopping pages I'd like to get some validated badges on, case in point: [A Comodo Trustlogo][1]
Basically, when I follow the instructions, it completely wipes out the page, replacing the entire body with a white page and the logo itself, instead of kindly inserting itself into a div or whatnot.
Anyone have an idea on how to get it to inline properly?
This is to do with where you have placed your Comodo code. Where you've placed it, both document.write and document.writeln will destroy the page.
Move it to the top of the <body> element or whereever in the <body> element (not outside, not in <head>, not directly in <html> nor on the outside) you prefer.

Is there anyway to open jquery dialog behind the current page or minimize it? [closed]

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Is there anyway to open jquery dialog behind the current page or minimize it?
I tried window.focus() but didn't help.
There is nothing special about a jQuery dialog as far as the browser is concerned - it's just HTML with styling and some JavaScript running the show. As such, there is no "special" way to present one in a separate window.
To do what you want, you'll need to create a popup the normal way (e.g. window.open) that points to a page which produces a jQuery dialog.
However, you're not going to get a standalone jQuery Dialog floating in space - it'll be a browser window with the usual toolbars, status bars, close button, etc.

Take screenshot of site, with just the URL [closed]

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I'm looking for a small and lightweight way to get the screenshot of a website with just the URL. I've heard you can do this with XML/PHP, or even use another service to return the image. However, is there a fast simple way to do this? Preferably in Js? Also, to clarify, my project is going to be dynamically generating these thumbnails.
You can't do this with html/php alone. You need a browser to interpret the content on the page and get a screenshot. Some sort of software. OR use a 3party service
http://www.browserstack.com/screenshots/api looks good, I haven't tried them though

document.getElementById disabled in ASP.NET site [closed]

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I found a nice site that build in ASP.NET. I want to try some things on it, like entering text into input field through console, with JavaScript, but it looks like it disabled. when I try to do:
document.getElementById("name");
I get null, on each element I try it. In the js files of site I see they are using getElementById in the code, but somehow it's disabled for me.
You need to use clientId. For example here is your server control
<asp:textbox id="txtName" runat="server/>
and now you want to access that with javascript then you need to do following.
document.getElementById("<%=txtName.ClientID%>").value;

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