CODE EXAMPLE FOR JAVASCRIPT

alpine js

<div x-data="{ tab: 'foo' }">
    <button :class="{ 'active': tab === 'foo' }" @click="tab = 'foo'">Foo</button>
    <button :class="{ 'active': tab === 'bar' }" @click="tab = 'bar'">Bar</button>

    <div x-show="tab === 'foo'">Вкладка Foo</div>
    <div x-show="tab === 'bar'">Вкладка Bar</div>
</div>