点击事件仅在特定div上

Question

I've got a page with product images on it and above each image is a 'more info' button. When clicked there is an overlay over the image with more information. The html looks something like this:

<div class=“products_overlay overlay_test”>
  <div class=“products_overlay_info”>
    <div class=“product_more_info”>
        <span>More Info</span>
    </div>
  </div>

  <ul class=“hover_text”>
    <li class=“product_less_info”><span>Less Info</span></li>
  </ul>
</div>

Now once the overlay is visible there's another button which says 'less info' and once clicked it hides the overlay with the extra information. This is the jQuery for it:

$j('.product_more_info').on('click', function(){
$j('.product_less_info').show();
$j('.product_more_info').hide();


});

$j('.product_less_info').on('click', function(event){
event.preventDefault();
$j('.product_more_info').show();
$j('.product_less_info').hide();
});

This works, however my problem is that it's a list of products/images so when the user click 'more info' and it hides that div it hides the div for all the products/images , not just the one the user clicked on. I've tried using .next but with no luck.

$j('.product_more_info').on('click', function(){
    $j(this).next('.product_less_info').show();
    $j(this).next('.product_more_info').hide();

});

Any ideas how to achieve this?

Answer 1

easiest way to do it is to access common ancestor using .closest(selector) - in this case it is .products_overlay

$j('.product_more_info').on('click', function(){
    $j(this).closest('.products_overlay').find('.product_less_info').show();
    $j(this).hide();
});

you can also achieve this calling .parent() two times:

$j('.product_more_info').on('click', function(){
    $j(this).parent().parent().find('.product_less_info').show();
    $j(this).hide();
});

but .closest(selector) in this case is more reliable as you may change your html structure in the future a bit

Answer 2

Try this

$j('.product_more_info').on('click', function(){
    $j('.product_less_info', $j(this).parents('.products_overlay')).show();
    $j(this).hide();
});