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Move An Element One Place Up Or Down In The Dom Tree With Javascript

- 1 answer

I want a javascript way to move an element one place up or down in the dom tree within a particular known parent using javascript (or jquery is ok), but i want the script to know when an element is the first or last element within the parent and not be moved. for example, if i have the following ...

<div id='parent_div'>
    <div id='div_1'></div>
    <div id='div_2'></div>
    <div id='div_3'></div>
</div>

on click of a button, i want to pass a known id (let's say div_2) and move it up to the position above it, swapping its position with the element that was previously before it (in this case div_1). The ids of the elements don't have to change, and their new position doesn't need to be known, at least not unless they are moved again.

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Answer

With jQuery:

var e = $("#div_2");
// move up:
e.prev().insertAfter(e);
// move down:
e.next().insertBefore(e);
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source: stackoverflow.com
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