abstract:<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>點擊事件改變DIV元素</title> <style type="text/css"> #box{width: 100px;height: 100px;bac
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>點擊事件改變DIV元素</title>
<style type="text/css">
#box{width: 100px;height: 100px;background: red;margin:20px 80px;}
</style>
</head>
<body>
<!-- 用按鈕控制div高度、寬度、顏色、重置、隱藏、顯示 -->
<script type="text/javascript">
var box
window.onload=function () {
box=document.getElementById('box')
}
function aa() {
box.style.height="400px"//改變高度
}
function bb() {
box.style.width="400px"//改變寬度
}
function cc() {
box.style.background="pink"//改變顏色
}
function dd() {
box.style.height="100px"
box.style.width="100px"
box.style.background="red"
}
function ee() {
box.style.display="none"
}
function ff() {
box.style.display="block"
}
</script>
<div id="box"></div>
<input type="button"value="變高" onclick="aa()">
<input type="button"value="變寬" onclick="bb()">
<input type="button"value="變色" onclick="cc()">
<input type="button"value="重置" onclick="dd()">
<input type="button"value="隱藏" onclick="ee()">
<input type="button"value="顯示" onclick="ff()">
</body>
</html>
Correcting teacher:天蓬老師Correction time:2019-05-28 15:53:09
Teacher's summary:要注意, style是一個對象, 而不是一個變量, 這才是關(guān)鍵