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爲什麼我在瀏覽器中出錯?TypeError:document.body爲null
TypeError: document.body is null
代碼在JSfiddle中運行良好。
HTML
<head>
<meta charset="UTF-8">
<title></title>
<script src="jsscript.js"></script>
</head>
<body>
</body>
JS
var creElem = document.createElement("p");
creElem.innerHTML = "Hellow World";
creElem.setAttribute("id", "id_name");
document.body.appendChild(creElem);
的jsfiddle運行腳本加載頁面後。 (左圖中的「onLoad」) – iForests