Set Attribute

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element.setAttribute(name: string, value: string): Promise<null>

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// Get Selected Element
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const selectedElement = await webflow.getSelectedElement();
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if (selectedElement?.children) {
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  // Create and append DOM Element
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  const DOMElement = await selectedElement.append(webflow.elementPresets.DOM);
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  if (DOMElement?.type === "DOM") {
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    // Set Tag
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    await DOMElement.setTag('img');
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    // Set HTML Attribute
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    await DOMElement.setAttribute('src', 'https://example.com/image.jpg');
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    await DOMElement.setAttribute('alt', 'Example image');
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    await DOMElement.setAttribute('width', '300');
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    // Get all attributes to verify
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    const attributes = await DOMElement.getAllAttributes();
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    console.log(attributes);
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  }
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}