【JavaScript練習】陣列去重
阿新 • • 發佈:2021-02-02
【JavaScript練習】陣列去重
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script>
// 陣列去重
var arr = ['c', 'a', 'z', 'a', 'x', 'a', 'x', 'c', 'b'];
function removeDuplicate(arr) {
var newArr = [];
for (var i = 0; i < arr.length; i++) {
if (newArr.indexOf(arr[i]) == -1) {
newArr. push(arr[i]);
}
}
return newArr;
}
console.log(removeDuplicate(arr));
</script>
</head>
<body>
</body>
</html>
執行結果