<!doctype html>
<html>
<head>
<title>your name</title>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="jquery.js"></script>
<style type="text/css">
button{
width:100px;
height:100px;
}
button.change{
background:red;
}
</style>
</head>
<body>
<button>1</button>
<button>2</button>
<button>3</button>
<button>4</button>
<div>我是内容1</div>
<div>我是内容2</div>
<div>我是内容3</div>
<div>我是内容4</div>
<script>
var obut=document.getElementsByTagName("button");
var odiv=document.getElementsByTagName("div");
obut[0].onclick=function(){
obut[0].className="change";
obut[1].className="";
obut[2].className="";
obut[3].className="";
odiv[0].style.display="";
odiv[1].style.display="none";
odiv[2].style.display="none";
odiv[3].style.display="none";
}
obut[1].onclick=function(){
obut[0].className="";
obut[1].className="change";
obut[2].className="";
obut[3].className="";
odiv[0].style.display="none";
odiv[1].style.display="";
odiv[2].style.display="none";
odiv[3].style.display="none";
}
obut[2].onclick=function(){
obut[0].className="";
obut[1].className="";
obut[2].className="change";
obut[3].className="";
odiv[0].style.display="none";
odiv[1].style.display="none";
odiv[2].style.display="";
odiv[3].style.display="none";
}
obut[3].onclick=function(){
obut[0].className="";
obut[1].className="";
obut[2].className="";
obut[3].className="change";
odiv[0].style.display="none";
odiv[1].style.display="none";
odiv[2].style.display="none";
odiv[3].style.display="";
}
</script>
</body>
</html>
<script type="text/javascript" src="script.js"></script>
<!doctype html>
<html>
<head>
<title>your name</title>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="jquery.js"></script>
<style type="text/css">
button{
width:100px;
height:100px;
}
button.change{
background:red;
}
</style>
</head>
<body>
<button>1</button>
<button>2</button>
<button>3</button>
<button>4</button>
<div>我是内容1</div>
<div>我是内容2</div>
<div>我是内容3</div>
<div>我是内容4</div>
<script>
var obut=document.getElementsByTagName("button");
var odiv=document.getElementsByTagName("div");
for(let i=0;i<4;i++){
obut[i].onclick=function(evt){
for(let j=0;j<4;j++){
if(j==i){
//alert("i:"+i+"j:"+j+"hello");
obut[j].className="change";
odiv[j].style.display="";
}else{
obut[j].className="";
odiv[j].style.display="none";
//alert("i:"+i+"j:"+j+"world");
}
}
}
}
</script>
</body>
</html>
<script type="text/javascript" src="script.js"></script>
时间： 2024-08-11 12:35:51