jquery: how to remove the previous element?

how do i remove a previous element to the triggering one with jquery?

i have tried:

$(t开发者_如何学运维his).prev().remove();
$(this).next().remove();

but nothing works!

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Be sure jQuery is properly referenced, and all of your syntax is correct:

$("li").click(function(){
  $(this).prev().remove();
});

Works with:

<ul>
  <li><p>Don't delete me!</p></li>
  <li><p>Click me to delete him!</p></li>
  <li><p>Click me twice, to take 'em both out!</p></li>
  <br/> <!-- line break added after OP's comments -->
  <li><p>Click me to remove the line-break!</p></li>
</ul>

---

Often when seemingly correct jQuery syntax doesn't work (especially with traversing) it is often because you are operating on the wrong element. Take a look at this HTML:

<div>
  Please remove me
</div>
<div>
  <span>Click to remove</span>
</div>

Now, if we wired this up with a click event on the span it is important to first call parent() to get the containing div, and then get the previous element:

$("span").click(function(){
    $(this).parent().prev().remove();
});

A simple call to $(this).prev().remove() would fail because the span is the only child of the div.

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The exact code you posted works for me.

Note that this is always set to an element in e.g. a jQuery click handler, but not in other JavaScript functions (unless you arrange for it to happen that way).

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We'll be better able to answer your question if you provide a little more context. Note that this won't necessarily point to the current element unless you are within the context of a handler. What are you trying to achieve here?