我创建了一个带有问题的提示框。回答后,您会在div
使用 JavaScript 创建的名为id2
. 现在我试图把我id2
的前面id1
是父节点。所以它会在第一个 div 上方显示答案id1
。有人可以向我解释为什么它不起作用吗?
<!DOCTYPE html>
<html>
<head>
<title>lab7</title>
<meta charset="utf-8" lang="en" name="my page" />
<style>
.class1 {
width: 100%;
height: 60px;
background-color: #BCC6CC;
}
</style>
<script type="text/javascript">
function loadQ() {
var firstdiv = document.createElement("div");
firstdiv.setAttribute("class", "class1");
firstdiv.setAttribute("id", "id1");
var jw = prompt("Which movie is number 1 Box Office 2015?","Jurassic World");
document.getElementById("id2").innerHTML ="" + jw + " Made $652,198,011 Total Gross Sales";
document.getElementById("id2").style.backgroundColor = "#786D5F";
var id1 = document.getElementByTagName("div")[0];
var parent1 = id1.parentNode();
var beforeME = document.getElementByTagName("id2");
parent1.insertBefore(id1, beforeME);
};
</script>
</head>
<body onload="loadQ()">
<div id="id1" class="class1">
<br>
<b>Top 2 Box Office Movie for 2015</b>
</div>
<div class="class2" id="id2">
</div>
</body>
</html>