gpt4 book ai didi

javascript - 如何更改文本区域的背景图像

转载 作者:行者123 更新时间:2023-12-02 20:35:58 24 4
gpt4 key购买 nike

当我从选择菜单中选择一个值时,如何更改我的textarea背景图像?

<html>
<head>
<title> Your Title </title>

<script>
function kool()
{
`enter code here`abc.style.background="img1.bmp"
}
</script>
</head>
<body>

<textarea name="abc">
1) Make paper airplanes out of the exam. Aim them at the instructor's left nostril.
2) Bring cheerleaders during an exam.
</textarea>

<select id="xyz" onchange="kool()">
<option value="A">Image 1</option>
<option value="B">Image 2</option>
</select>

</body>
</html>

最佳答案

这应该有效:

<textarea id="text">
Lorem ipsum dolor sit amet, ...
</textarea>

<select onchange="document.getElementById('text').style.backgroundImage = 'url(' + this.value + ')';">
<option value="image1.png">Image 1</option>
<option value="image2.png">Image 2</option>
</select>

关于javascript - 如何更改文本区域的背景图像,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/3256368/

24 4 0
Copyright 2021 - 2024 cfsdn All Rights Reserved 蜀ICP备2022000587号
广告合作:1813099741@qq.com 6ren.com