JSFiddle - React, Tailwind, and code Playground

HTML

<input class="aramaYap" type="text">
<input type="submit" id="subBut">
<div class="siirlist">
<div class="siir1" style="display:none;">siir1 din dininii nii niniii</div>
<div class="siir2" style="display:none;">din siir2 dininii nii niniii</div>
<div class="siir3" style="display:none;">din siir3 dininii nii niniii</div>
<div class="siir4" style="display:none;">siir4 din dininii nii niniii</div> 
</div>

JavaScript

$("#subBut").on('click', function(){ var arananDeger = $(".aramaYap").val();
                                    
$('[class*=siir]').css("display","none" );
$('[class*=siir]:contains('+arananDeger+')').css("display","block" );
});