I am still very weak in Ajax, but they told me that this is a way out of the situation that I have developed.

I have a javascript function that filters categories. There is also alternation of lists in php.blade.

When I click on "All", all blogs are displayed and the alternation is working properly. When I select the "desired category", all blogs from this category are displayed, but alternation does not work.

I was prompted that you can is to call one ajax functional on category selection and return the HTML response on that ajax call. But I don't know how to do this, can anyone help?

JavaScript

$('.category-filter_item').click(function(){
    $('.category-filter_item').removeClass('active')
    $(this).addClass('active')
    var dataFilter = $(this).attr('data-filter');
    $('.blog-list').hide()
    $(dataFilter).show()
})

php.blade

@extends('layouts.app')

@section('content')
<div class="container">
<div class="category-filter" id="filter">
    <div class="category-filter_item active" data-filter="*">All</div>
    @foreach($categories as $category)
    <div class="category-filter_item" data-filter=".category_{{$category->id}}">{{ $category->title }}</div>
    @endforeach
</div>

@foreach ($blogs as $index => $blog)
    <div class="blog-list">
        @if ($index % 2 === 1)  //Alternation
            <div class="blog blog--left" >
                <h2 class="blog_title">{{ $blog->title }}</h2>
            </div>
        @else

            <div class="blog blog--right">
                <h2 class="blog_title">{{ $blog->title }}</h2>
            </div>
        @endif
    </div>
@endforeach
</div>
@endsection

Controller

public function index()
    {
        $blogs = Blog::all();
        $categories = Category:all();

        return view('blog', compact('blogs', 'categories'));
    }