第一組讀書會 2-4 ~ 2-5 #16
thewilliamzhu
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QA
React.createElement()
React.createElement()
語法的轉譯器。React.createElement()
語法的 JavaScript 程式碼檔案React.createElement()
產出 React element{1 + 1}
或{user.name}
。<script>
標籤或事件屬性(如onclick="..."
)來包含 JavaScript 程式碼。<img src="..." />
而不是<img src="...">
<img>
、<input>
。React.createElement
方法,他只會回傳一個 React element 作為結果,而實際上我們無法一次只用一個值來表達兩個 React element,所以 transpiler 的 JSX transformer 當然也無法解析這種寫法成為有效的一次 React.createElement 呼叫語法。Zet 補充
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