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问题 please see this fiddle: http://jsfiddle.net/rabelais/e47xq/2/ I want to show the large image of the thumbnail when the uses hovers on the thumbnail. Below is my starting point. Any suggestions how to do this? In my final version there will be possible 20 thumbnails so I need the code to be as concise as possible. $(".thumnails").on("mouseover mouseout", "a", function () { $('#').toggle(); }); 回答1: .attr() $(this).attr('href') get current a tag href attribute. $(".thumnails").on("mouseover

问题 I have awkward problem I cannot resolve. I have a nested divs, which I want to show / hide when user clicks on a link. All divs at once. I cannot assign ID's to my divs, so I will need to do it wiht classes. <a href="#" id="showhide">Show more</a> <div class="more"> <div class="more1"> <h2>Some title</h2> <p>Some text</p> </div> <div class="more2"> <h2>Some title</h2> <p>Some text</p> </div> <div class="more3"> <h2>Some title</h2> <p>Some text</p> </div> </div>​ Here is the fiddle to my html

问题 I'm looking for a (Show/Hide) button to show a table like this: clicked in (Show): Button (Show) changes to (Hide) and the table appears. clicked in (Hide): Button (Hide) changes to (Show) and the table disappears. 回答1: <input type="button" id="button" value="hide" /> $(function(){ var button = true; $('#button').on('click', function(){ $('#button').toggle(); if (button){ button = false; $('#button').val('hide'); } else{ button = true; $('#button').val('show'); } }); }) 回答2: Way to slow, but

问题 I really need some help, I wanna know what's the best way to hide and show elements by clicking on a link just using Java Script without Jquery. So, when I click on the "Link 1" need to add the "class active" and just the " <div id="cont1"> " should be shown while the others should be hidden. Other thing, is do this with the possibility to add more HTML Links and Content in the future, without the necessity to change the JS code. I will be eternally grateful if someone help me! Follow the

问题 This is more of a PHP question than a WordPress question, but I am using it in a WP theme. In my options I am allowing users to show/hide breadcrumbs. However, when there are no preferences yet selected and saved (for example, if somebody were to install the theme) the breadcrumbs aren't displayed by default... and I would like them to be. Below is my code. I'm confident I'm just missing a very small piece of code here... Here is the array I am using: array( "name" => "Display breadcrumbs on

问题 Have checked almost every possible solution with java script and Jquery here. But not able to find the solution for this. Almost every solution working with your "data-toggle="buttons". But I need with data-toggle="buttons". Here is my code: <div class="btn-group btn-toggle" data-toggle="buttons"> <label class="btn btn-default"> <input type="radio" name="subscription-period" value="3mths" > 3 months </label> <label class="btn btn-default"> <input type="radio" name="subscription-period" value=

问题 The variables value1 to value4 are needed to display in the PDF through the iText PDF generator. When I use the value, it shows "Cannot make a static reference to the non-static field value1". How could I fix that? Here is the code: import java.io.FileNotFoundException; import java.io.FileOutputStream; import com.itextpdf.text.Document; import com.itextpdf.text.DocumentException; import com.itextpdf.text.Paragraph; import com.itextpdf.text.pdf.PdfWriter; public class GenerateSummonPDF {

问题 I've got a problem with an AlertDialog. The code works well, when I put it in a onClick-Listener of a Button, but it doesn't work at all when I put it at the end of my main-method. This is the Method that shows the AlertDialog: void showMaths(){ AlertDialog.Builder alert = new AlertDialog.Builder(LabyRiddle.this); alert.setTitle("Title"); alert.setMessage("Message"); // Set an EditText view to get user input final EditText input = new EditText(LabyRiddle.this); alert.setView(input); alert

问题 I need to set up a listener that can call a method every time a show() method is invoked to display a window. How can I do this? 回答1: You'd probably be interested in WindowListener . From the tutorial, "How to Write Window Listeners": The following window activities or states can precede a window event: Opening a window — Showing a window for the first time. Closing a window — Removing the window from the screen. Iconifying a window — Reducing the window to an icon on the desktop.

问题 I want to write an instance of Show for lists of the following type: newtype Mu f = Mu (forall a. (f a -> a) -> a) data ListF a r = Nil | Cons a r deriving (Show) type List a = Mu (ListF a) Module Data.Functor.Foldable defines it, but it converting it to Fix , something I want to avoid. How can I define this Show instance? 回答1: The slogan, "Follow the types!" , works for us here, fulltime. From your code, with some renaming for easier comprehension, {-# LANGUAGE RankNTypes #-} data ListF a r