How to check a div is exists or not?

Possible Duplicate:
Is there an “exists” function for jQuery

 <div class="XXX">
  <div class="created">
  </div>
</div>

div class="created" automatically generated by JavaScript using append function jQuery for some validation i need to check whether div is generated or not how can i do this.using jQuery.

something like $('.xxx').html()==' '


Try this like following:

$('div.XXX div.created').length

if the div is not create then $('div.XXX div.created').length will return 0.

if( $('div.XXX div.created').length > 0 ){
  // do something 
}

In jQuery, it has method .size() and implement like $('div.XXX div.created').size() , but .length is more reliable.


你可以使用jQuery length属性返回所选元素的数量:

if ($('.XXX div.created').length > 0) {

}
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