为什么点按钮都没反应，求大神指教
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" Content="text/html; charset=utf-8" />
<title>javascript</title>
<style type="text/css">
body{font-size:12px;}
#txt{
height:400px;
width:600px;
border:#333 solid 1px;
padding:5px;}
p{
line-height:18px;
text-indent:2em;}
</style>
</head>
<body>
<h2 id="con">JavaScript课程</H2>
<div id="txt">
<h5>JavaScript为网页添加动态效果并实现与用户交互的功能。</h5>
<p>1. JavaScript入门篇，让不懂JS的你，快速了解JS。</p>
<p>2. JavaScript进阶篇，让你掌握JS的基础语法、函数、数组、事件、内置对象、BOM浏览器、DOM操作。</p>
<p>3. 学完以上两门基础课后，在深入学习JavaScript的变量作用域、事件、对象、运动、cookie、正则表达式、ajax等课程。</p>
</div>
<form>
<!--当点击相应按钮，执行相应操作，为按钮添加相应事件-->
<input type="button" value="改变颜色" onclick="changeColor()">
<input type="button" value="改变宽高" onClick="changeWidth()">
<input type="button" value="隐藏内容" onclick="hiddenContent()">
<input type="button" value="显示内容" onclick="showContent()">
<input type="button" value="取消设置" onclick="cancelSet()">
</form>
<script type="text/javascript">
var txt=document.getElementById("txt");
//定义"改变颜色"的函数
function changeColor(){
txt.stye.color="red";
txt.style.backgroundColor ="green";
};
//定义"改变宽高"的函数
function changeWidth(){
txt.style.width="1000px";
txt.style.height="500px";
};
//定义"隐藏内容"的函数fun
function hiddenContent(){
txt.style.display="none";
};
//定义"显示内容"的函数
function showContent(){
txt.style.display="block";
};
//定义"取消设置"的函数
function cancleSet(){
var tt=confirm("是否取消设置？")；
if(tt==true)
{
txt.removeAttribute("style");
}
}
</script>
</body>
</html>
慕仰89019211回答
-
FSYu
onclick="cancleSet()"写错了函数名称txt.style.color = "red";写错了stylevar tt = confirm("是否取消设置？")；最后的；是中文的 -
慕瓜9220888
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