add chapter operation

Sascha Schulz

2025-01-27 c855a520de76a2f4f1ca7deb37da397839f1ad97

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class CardComponent extends HTMLElement { 
    constructor() { 
        super(); 
 
        const shadowRoot = this.attachShadow({mode: "open"}); 
 
        shadowRoot.innerHTML = ` 
            <style> 
                :host { 
                    color: white; 
                } 
            </style> 
            <div><h3><slot name="title"></slot></h3></div> 
            <div><slot name="content"></slot></div> 
        `; 
    } 
} 
 
window.customElements.define("card-component", CardComponent);