2-32编程练习

来源：2-32 编程练习

小睡妃

2018-10-17 14:39:39

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>splice</title>
</head>
<body>
<script>
    var input;
    var arr=[];
    while(true){
        input=Number(prompt("请输入任意你想输的字符"));
        // arr.push(input);
        arr.splice(arr.length,0,input);
        if(input==-1){
            arr.splice(arr.length-1);
            break;
        }
     }
    arr.splice(0,2,"hello");
    document.write(arr);
</script>
</body>
</html>