Bring an item to the top of the list

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I must be able to manipulate a list with jquery. I created a list with an element already:

<ul id="lista1" class="list-group">

<li id = "1" class="list-group-item d-flex justify-content-between align-items-center">
  <p id = "elem1"> Carne </p>
  <button id = "mod" class="badge badge-primary badge-pill" data-toggle="modal" data-target="#myModal">Modifica</button>
  <button id = "canc" class="badge badge-primary badge-pill">X</button>
  <button id = "top" class="badge badge-primary badge-pill">TOP</button>
</li>

</ul>

Now, I wish I could bring the item to the top of the list after clicking on the "top" button. I had thought of a function that saves the element that must be brought up, deletes it and rewrites it in the list at the top, but it does not work.

$(document).ready(function() {
  $("#lista1").on('click', '#top', function() {

     $ogg = $(this).closest('li');
        $ogg.remove();

    $("#lista1").append($ogg);  

  });
});

Do you have any ideas?

You can simply do it like this:

$(document).ready(function() {
    $("#lista1").on('click', '#top', function() {
        $(this).parent().parent().prepend($(this).parent());
    });
});

Generic List - moving an item within the list, I know you said "generic list" but you didn't specify that you needed to use the List​(T) class so here is a shot at something different. The ObservableCollection(T)  Examples. The following code example demonstrates how to use the SelectedIndex property with the TopIndex property to move the currently selected item to the top of the list of items in the display area of the ListBox.

First of all change your Top button ids to class and then use insertBefore method to insert your clicked button li to top

JQuery:

$("#lista1").on('click', '.top', function () {

        $ogg = $(this).closest('li');
        $ogg.remove();

        $($ogg).insertBefore($("#lista1 li:eq(0)"));

    });

HTML:

<ul id="lista1" class="list-group">

    <li id="1" class="list-group-item d-flex justify-content-between align-items-center">
        <p id="elem1"> Carne </p>
        <button id="mod" class="badge badge-primary badge-pill" data-toggle="modal" data-target="#myModal">Modifica</button>
        <button id="canc" class="badge badge-primary badge-pill">X</button>
        <button  class="badge badge-primary badge-pill top">TOP</button>
    </li>
    <li id="1" class="list-group-item d-flex justify-content-between align-items-center">
        <p id="elem1"> Carne </p>
        <button id="mod" class="badge badge-primary badge-pill" data-toggle="modal" data-target="#myModal">Modifica</button>
        <button id="canc" class="badge badge-primary badge-pill">X</button>
        <button class="badge badge-primary badge-pill top">TOP</button>
    </li>
    <li id="1" class="list-group-item d-flex justify-content-between align-items-center">
        <p id="elem1"> Carne Last</p>
        <button id="mod" class="badge badge-primary badge-pill" data-toggle="modal" data-target="#myModal">Modifica</button>
        <button id="canc" class="badge badge-primary badge-pill">X</button>
        <button class="badge badge-primary badge-pill top">TOP</button>
    </li>
</ul>

Bring an item to the top of the list, You can simply do it like this: $(document).ready(function() { $("#lista1").on('click', '#top', function()  Years ago now eBay had a simple "ending first" search. Items ending soonest were at the top of a search. Then they went to something called "Best Search" where they used criteria to determine which items were at the top of the list.

For insert $ogg to top of list you should use .prepend(). When you use .append() $ogg add to end of list.

I'd like to give you advice about using ID, Be careful with id in html, in my example of code I use classes for binding events. Otherwise you can get the strange behavior of your script

$(document).ready(function() {
  $("#lista1").on('click', '.top', function() {

    $ogg = $(this).closest('li');
    $ogg.remove();

    $("#lista1").prepend($ogg);
  });
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul id="lista1" class="list-group">

  <li id="1" class="list-group-item d-flex justify-content-between align-items-center">
    <p id="elem1"> Carne </p>
    <button class="badge badge-primary badge-pill mod" data-toggle="modal" data-target="#myModal">Modifica</button>
    <button class="badge badge-primary badge-pill canc">X</button>
    <button class="badge badge-primary badge-pill top">TOP</button>
  </li>

  <li id="2" class="list-group-item d-flex justify-content-between align-items-center">
    <p id="elem2"> Carne 2</p>
    <button class="badge badge-primary badge-pill mod" data-toggle="modal" data-target="#myModal">Modifica</button>
    <button class="badge badge-primary badge-pill canc">X</button>
    <button class="badge badge-primary badge-pill top">TOP</button>
  </li>

</ul>

How to move specific item in array list to the first item in Java?, To move an item from an ArrayList and add it to the first position you need to -Get the position (index) of the item using the indexOf() method of  There are certain lists which are sorted alphabetically and there's no way to re-arrange them. In general, this is quite practical as it makes it easier to find the items when there are plenty of them and there's no need to arrange them manually. However, sometimes you want to push certain items on the list to the top or to the bottom.

You can use insertBefore() to place the li before the first li in the list.

There is no need to remove the li.

$("#lista1").on('click', '#top', function() {
    var li = $(this).closest('li'); // parent of the button
    li.insertBefore('#lista1 > li:first-child');
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul id="lista1" class="list-group">

  <li id = "1" class="list-group-item d-flex justify-content-between align-items-center">
    <p id = "elem1"> Carne </p>
    <button id = "mod" class="badge badge-primary badge-pill" data-toggle="modal" data-target="#myModal">Modifica</button>
    <button id = "canc" class="badge badge-primary badge-pill">X</button>
    <button id = "top" class="badge badge-primary badge-pill">TOP</button>
  </li>
  
  <li id = "1" class="list-group-item d-flex justify-content-between align-items-center">
    <p id = "elem1"> Lorem ipsum </p>
    <button id = "mod" class="badge badge-primary badge-pill" data-toggle="modal" data-target="#myModal">Modifica</button>
    <button id = "canc" class="badge badge-primary badge-pill">X</button>
    <button id = "top" class="badge badge-primary badge-pill">TOP</button>
  </li>

</ul>

Principles of Distributed Database Systems, The query originator first gets from each list holder its k top data items. Let f be the scoring function, d of d in list Li. be a received data item, and si (d) be the  Linq generallyworks on Enumerables, so it doesn't now that the underlying type is a collection. So for moving the item on top of the list I would suggest using something like (if you need to preserve the order) var idx = myList.FindIndex(x => x.id == 592); var item = myList[idx]; myList.RemoveAt(idx); myList.Insert(0, item);

You can also use prepend method.

$(document).ready(function() {
  $("#lista1").on('click', '#top', function() {
     $ogg = $(this).closest('li');
        $ogg.remove();
    $("#lista1").prepend($ogg);  

  });
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul id="lista1" class="list-group">

<li id = "1" class="list-group-item d-flex justify-content-between align-items-center">
  <p id = "elem1"> Carne </p>
  <button id = "mod" class="badge badge-primary badge-pill" data-toggle="modal" data-target="#myModal">Modifica</button>
  <button id = "canc" class="badge badge-primary badge-pill">X</button>
  <button id = "top" class="badge badge-primary badge-pill">TOP</button>
</li>
<li id = "2" class="list-group-item d-flex justify-content-between align-items-center">
  <p id = "elem2"> Carne 2</p>
  <button id = "mod" class="badge badge-primary badge-pill" data-toggle="modal" data-target="#myModal">Modifica</button>
  <button id = "canc" class="badge badge-primary badge-pill">X</button>
  <button id = "top" class="badge badge-primary badge-pill">TOP</button>
</li>

<li id = "3" class="list-group-item d-flex justify-content-between align-items-center">
  <p id = "elem3"> Carne 3</p>
  <button id = "mod" class="badge badge-primary badge-pill" data-toggle="modal" data-target="#myModal">Modifica</button>
  <button id = "canc" class="badge badge-primary badge-pill">X</button>
  <button id = "top" class="badge badge-primary badge-pill">TOP</button>
</li>


</ul>

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CSS top property, The top property affects the vertical position of a positioned element. This property has no effect on non-positioned elements. If position: absolute; or position: fixed;  I have a listView and I want to add new items to the top of the list view but I dont want list view to scroll its content. I want user to look at the same item as he was looking before new items were added.

Comments
  • Can you add code snippet? Do you have more than one lis?