fix tab-component example

Sascha Schulz

2024-06-03 410e98d4e81ac6d1fe9cf4bf4043f0db3731462b

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class CustomA extends HTMLElement { 
    constructor() { 
        super(); 
 
        this.root = this.attachShadow({mode: "open"}); 
 
        this.root.innerHTML = ` 
            <button>Click Me!</button>     
        `; 
    } 
 
    connectedCallback() { 
        const button = this.root.querySelector("button"); 
 
        button.addEventListener("click", () =>{ 
            const event = new CustomEvent("customevent", { bubbles: true, composed: true}); 
 
            button.dispatchEvent(event); 
        }); 
    } 
} 
 
window.customElements.define("custom-a", CustomA); 
 
class CustomB extends HTMLElement { 
    constructor() { 
        super(); 
 
        this.root = this.attachShadow({mode: "open"}); 
 
        this.root.innerHTML = ` 
            <button>Click Me!</button>     
        `; 
    } 
 
    connectedCallback() { 
        const button = this.root.querySelector("button"); 
 
        button.addEventListener("click", () =>{ 
            const event = new CustomEvent("customevent", { bubbles: true}); 
 
            button.dispatchEvent(event); 
        }); 
    } 
} 
 
window.customElements.define("custom-b", CustomB);