<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<script>
var myarr = ["flaaower","flaaow","flaight"]
function getLongestCommonPrefix(){
myarr.sort();//按編碼排序
if(myarr.length === 0) return ‘‘; // 如果是空數組直接返回‘‘
var first = myarr[0], end = myarr[myarr.length-1];
if(first === end || end.match(eval(‘/^‘ + first + ‘/‘))){
return first; //first包含于end返回first
}
for(var i =0;i<first.length;i++){
if(first[i] !== end[i]){
return first.substring(0,i);//匹配失敗時候返回相應字符串
}
}
}
console.log(getLongestCommonPrefix()); //‘fla‘
</script>
</body>
</html>
原文地址：https://www.cnblogs.com/sugartang/p/12163171.html
时间： 2024-07-31 13:59:18