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how to remove :before:fist-child with jquery?

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Solved how to remove :before:fist-child with jquery?

Post by kumotta August 15th 2016, 14:09

hello,

i'm add pseudo element (::before) in .postmain and i want to remove pseudo element only in first .postmain, i try this jquery but not work.
Code:

$(function() {
$(".postmain::before:first").css("display", "none");
});

anybody help me, please Crying or Very sad


Last edited by kumotta on August 15th 2016, 18:28; edited 1 time in total
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Solved Re: how to remove :before:fist-child with jquery?

Post by Ange Tuteur August 15th 2016, 17:28

Hi @kumotta,

Unfortunately you cannot modify pseudo-elements like this, because they do not exist in the DOM -- only the stylesheet. So your best choice would be to hide it with CSS OR add a classname to the first instance of this element.


CSS

If this element is the first child of its parent you can use this method :
Code:
.postmain:first-child:before {
  display:none;
}
see :first-child : http://www.w3schools.com/cssref/sel_firstchild.asp


if it isn't the first child you can also try using nth-child :
Code:
.postmain:nth-child(1):before {
  display:none;
}
see :nth-child : http://www.w3schools.com/cssref/sel_nth-child.asp

It depends on the use case and where in the DOM your element is. I'd recommend looking over the selectors here :
http://www.w3schools.com/cssref/css_selectors.asp


JavaScript

As I said before you can also add a className to the element and hide it that way. For example :
Code:
$(function() {
  $(".postmain")[0].className += 'hidePseudo';
});

Then you can use the new class to hide your pseudo element :
Code:
.postmain.hidePseudo:before {
  display:none;
}
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Solved Re: how to remove :before:fist-child with jquery?

Post by kumotta August 15th 2016, 18:28

last solution working Very Happy
thanks @Ange Tuteur Smile
problem solved Smile
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Solved Re: how to remove :before:fist-child with jquery?

Post by SLGray August 15th 2016, 22:54

Problem solved & topic archived.
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how to remove :before:fist-child with jquery? Slgray10

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