Experiencing difficulties with a click event function for displaying or hiding content

Struggling with implementing an onClick function for my two dynamically created components. Currently, when I click on any index in the first component, all content is displayed. What I want is to show only the corresponding index in the second component and hide the rest. Seeking suggestions or guidance on how to improve this functionality.

showContent(){
    const neCardSlider = document.querySelector('ne-card-slider').shadowRoot;
    const neMainContent = document.querySelector('ne-main-content').shadowRoot;
    const cardAnchors = neCardSlider.querySelectorAll<HTMLElement>('.anchor');
    const mainContents = neMainContent.querySelectorAll<HTMLElement>('.contentMain');

    for (let i = 0; i < cardAnchors.length; i++){
      mainContents[i].classList.remove('active');
      if (cardAnchors[i].getAttribute('href') === mainContents[i].getAttribute('id')) {
        mainContents[i].classList.add('active');
      }
    }   
}

Answer №1

let counter = 0;
    displayInfo(){
        const box = document.querySelector('ne-card-slider').shadowRoot;
        const wrap = document.querySelector('ne-main-content').shadowRoot;
        const cardItems = box.querySelectorAll<HTMLElement>('.anchor');
        const infoContent = wrap.querySelectorAll<HTMLElement>('.contentMain');
if (counter === 0){ infoContent[0].style.visibility = "visible"; counter++; } 
else { infoContent[counter].style.visibility = "visible"; counter++; }
  }

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