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jQuery last child val() undefined


By : great_azazello
Date : October 16 2020, 08:10 PM
I think the issue was by ths following , I found the reason for this problem, not that jQuery css selector does not work, because the element id is repeated.
code :


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jQuery last-child Undefined Issue


By : Ajay Namdeo Papal
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I have an issue getting the ID of my last-child with jQuery. , Use :last or .last()
code :
$('.category:last');
$('.category').last()

Jquery nth-child shows undefined for index 1


By : supertroels
Date : March 29 2020, 07:55 AM
it should still fix some issue Modify your selector like this, cuz the issue is, you are using nth-child(1) which will match h3 element and not the ul.project-list, so it will return undefined, use nth-of-type(1) with element.class selector.
code :
console.log($('#customer-projects ul.project-list:nth-of-type(1)').html());

Jquery selecting element with nth:child returns undefined


By : Nick
Date : March 29 2020, 07:55 AM
Hope this helps input is a descendent of li therefore you will need a space between your closing bracket of the nth-child selector and the word input.. https://jsfiddle.net/b9yov92h/
from:
code :
 questionid = $('ul li:nth-child('+i+')input').attr("id");
 questionid = $('ul li:nth-child('+i+') input').attr("id");

jquery parent child selecter returning undefined


By : user1793290
Date : March 29 2020, 07:55 AM
I wish this help you You don't know the section corresponding to the element you want to target, the one with select[name="slct_cls"], so you can't use siblings - with a sibling, you'd want to select the one with the slct_cls, but you don't know which sibling has that beforehand. Better to go one level higher, to the article, and use .find to find a descendant element with that selector:
code :
$(document).on('change', 'select[name="slct_sec"]', function() {
  var cls_1 = $(this).closest('article').find('select[name="slct_cls"]').val();
  console.log(cls_1);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<html>

<head>
</head>

<body>
  <article>
    <section>
      <select name='slct_cls'>
        <option value='1'>One</option>
        <option value='2'>Two</option>
      </select>
    </section>
    <br/>
    <section>
      <select name='slct_sec'>
        <option value='1'>A</option>
        <option value='2'>B</option>
      </select>
    </section>
  </article>
</body>

</html>

Angular 7 - View Child Still Returns as Undefined After Child Component is Initialized


By : David Vella
Date : March 29 2020, 07:55 AM
With these it helps As a workaround what you can do is, have a variable in the parent component which can be set in your function which subcribes to valuechanges of checkbox.This variable can be set as a input to the child component and In the child component you need to subscribe to ngOnChanges on the input variable to see if the variable has changed and then use it to enable and disable form. similar to this: Angular 2 : ViewChild is undefined on parent
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