2019独角兽企业重金招聘Python工程师标准>>> 
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/>
<title>测试输入以空格隔开的字符串中是否有重复的字符串</title>
<script type="text/javascript" >
function clickA(){
var get1=document.getElementById("inputtext");
var b=new Array();
var c=new Array();
var d=new Array();
if(get1.value!=null){
b=get1.value;
}
c=b.split(" ");
for(var i=0;i<c.length;i++){
var temp=c[i];
for(var j=i+1;j<c.length;j++){
if(c[j]==temp){
d.push(c[j]);
}
}
}
if(d.length>1){
alert("重复的字符串分别是"+d);
}
else{
alert("没有重复字符")
}
}
</script>
</head>
<body>
请输入字符串<input type='text' id="inputtext" />
<button onclick="clickA()">Copy Text</button>
</body>
</html>