[javascript] Using jQuery to see if a div has a child with a certain class

I have a div #popup that is dynamically filled with several paragraphs with the class .filled-text. I'm trying to get jQuery to tell me if #popup has one of these paragraphs in it.

I have this code:

$("#text-field").keydown(function(event) {
    if($('#popup').has('p.filled-text')) {

Any suggestions?

This question is related to javascript jquery

The answer is

You can use the find function:

if($('#popup').find('p.filled-text').length !== 0)
   // Do Stuff

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