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javascript - 通过 javascript 上的 onclick 按钮操作在 css 中选框

转载 作者:行者123 更新时间:2023-11-28 04:42:28 25 4
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我是 javascript 的新手,很难完成我的学业。这是我当前的代码:

 <!DOCTYPE html>
<html>
<head>
<style>
div {
background-color: white;
width: 200px;
border: 25px solid blue;
padding: 25px;
margin: 25px;
position: relative;
left: 35%;
}
h2 {
text-align: center;
}
</style>
<body>
<br><br>
<button onclick="myFunction()">Sunday</button><br>
<button onclick="myFunction2()">Monday</button><br>
<button onclick="myFunction3()">Tuesday</button><br>
<button onclick="myFunction4()">Wednesday</button><br>
<button onclick="myFunction5()">Thursday</button><br>
<button onclick="myFunction6()">Friday</button><br>
<button onclick="myFunction7()">Saturday</button><br>
<p id="demo"></p>

<script>
function myFunction() {
document.getElementById("demo").innerHTML ="<div><h2>Sunday</h2></div>";
}
function myFunction2() {
document.getElementById("demo").innerHTML = "<div><h2>Monday</h2></div>";
}
function myFunction3() {
document.getElementById("demo").innerHTML = "<div><h2>Tuesday</h2> </div>";
}
function myFunction4() {
document.getElementById("demo").innerHTML = "<div><h2>Wednesday</h2> </div>";
}
function myFunction5() {
document.getElementById("demo").innerHTML = "<div><h2>Thursday</h2></div>";
}
function myFunction6() {
document.getElementById("demo").innerHTML = "<div><h2>Friday</h2> </div>";
}
function myFunction7() {
document.getElementById("demo").innerHTML = "<div><h2>Saturday</h2> </div>";
}
</script>

</body>
</html>

这个蓝色的长方形,点击任意按钮后,必须从页面顶部开始往下走,像刚碰到一样到达底部后,需要反转框的颜色。我所知道的是它是选框,但我不知道它的正确代码。我知道这很多,这就是我寻求帮助的原因。任何评论表示赞赏:)谢谢

最佳答案

如果您希望框在第一次单击按钮后立即向下滑动,那么此代码将为您完成:

 function myFunction() {
document.getElementById("demo").innerHTML ="<div><h2>Sunday</h2></div>";
document.getElementById("demo").style.marginTop = "10%";
document.querySelector("div").style.borderColor = "#40A824";
}
function myFunction2() {
document.getElementById("demo").innerHTML = "<div><h2>Monday</h2></div>";
document.getElementById("demo").style.marginTop = "10%";
document.querySelector("div").style.borderColor = "#003399";
}
function myFunction3() {
document.getElementById("demo").innerHTML = "<div><h2>Tuesday</h2> </div>";
document.getElementById("demo").style.marginTop = "10%";
document.querySelector("div").style.borderColor = "#9233DF";
}
function myFunction4() {
document.getElementById("demo").innerHTML = "<div><h2>Wednesday</h2> </div>";
document.getElementById("demo").style.marginTop = "10%";
document.querySelector("div").style.borderColor = "#CA4B98";
}
function myFunction5() {
document.getElementById("demo").innerHTML = "<div><h2>Thursday</h2></div>";
document.getElementById("demo").style.marginTop = "10%";
document.querySelector("div").style.borderColor = "#5DA233";
}
function myFunction6() {
document.getElementById("demo").innerHTML = "<div><h2>Friday</h2> </div>";
document.getElementById("demo").style.marginTop = "10%";
document.querySelector("div").style.borderColor = "#5B1C5A";
}
function myFunction7() {
document.getElementById("demo").innerHTML = "<div><h2>Saturday</h2> </div>";
document.getElementById("demo").style.marginTop = "10%";
document.querySelector("div").style.borderColor = "#F4292A";
}
 div {
background-color: white;
width: 200px;
border: 25px solid blue;
padding: 25px;
margin: 25px;
position: relative;
left: 35%;
}
h2 {
text-align: center;
}

#demo {
position: absolute;
margin-top: -387px;
transition: .5s;
}
 <br><br>
<button onclick="myFunction()">Sunday</button><br>
<button onclick="myFunction2()">Monday</button><br>
<button onclick="myFunction3()">Tuesday</button><br>
<button onclick="myFunction4()">Wednesday</button><br>
<button onclick="myFunction5()">Thursday</button><br>
<button onclick="myFunction6()">Friday</button><br>
<button onclick="myFunction7()">Saturday</button><br>
<p id="demo"></p>

虽然这适用于全屏浏览器,但对于不同尺寸的屏幕来说,这并不是一个可靠的解决方案。运行代码片段会产生意外结果,因此您最好复制代码并将其粘贴到 HTML 页面中。

关于javascript - 通过 javascript 上的 onclick 按钮操作在 css 中选框,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41140313/

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