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Rolling Number Web Component

#codepen #webcomponents #vanillajs

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Danny Engelman • • Edited 
constructor() {
    super();
    const shadow = this.attachShadow({ mode: "open" });
    shadow.innerHTML =
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can be written as:

constructor() {
    super() // sets and returns 'this' scope
      .attachShadow({ mode: "open" }) // sets and return this.shadowRoot
      .innerHTML =
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