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控制div样式练习

ProMonkey2019-01-02 16:35:36224

<!DOCTYPE html>

<html>


<head>

<meta charset="UTF-8">

<title></title>

<style type="text/css">

#box {

width: 100px;

height: 100px;

background: red;

margin: 20px 80px;

}

</style>

</head>


<body>

<script type="text/javascript">

var box

window.onload = function() {

box = document.getElementById('box')

}


function aa() {

box.style.height = "400px"

}


function bb() {

box.style.width = "400px"

}


function cc() {

box.style.background = "pink"

}


function dd() {

box.style.display = "none"


}


function ee() {

box.style.height = "100px"

box.style.width = "100px"

box.style.background = "red"

}


function ff() {

box.style.display = "block"


}

</script>

<div id="box"></div>

<input type="button" value="变高" onclick="aa()">

<input type="button" value="变宽" onclick="bb()">

<input type="button" value="变色" onclick="cc()">

<input type="button" value="重置" onclick="ee()">

<input type="button" value="隐藏" onclick="dd()">

<input type="button" value="显示" onclick="ff()">


</body>


</html>


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