🚧elem.attr()

🔰 JS ⟩ DOM ⟩ Types ⟩ Element ⟩ .attr()

💾 程式

// ⭐️ get/set attribute
Element.prototype.attr = function(name, value){
    if (value !== undefined) { this.setAttribute(name, value) };
    return this.getAttribute(name) || undefined;
};

⬇️ 應用

• HTML element attribute

👥 相關

• $(), $all()

• "data-xxx" Attributes

📘 手冊

• MDN ⟩ Element ⟩ .setAttribute()