bentuk sifat HTML DOM FileUpload
benda fileupload Definisi dan Penggunaan
pengembalian formulir properti membentuk mengandung FileUpload objek.
Properti bentuk kembali benda-benda.
tatabahasa
fileuploadObject.form
Dukungan Browser
Semua browser utama mendukung sifat bentuk
contoh
contoh
Contoh berikut mengembalikan <input type = "file"> elemen milik form id:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(){
var x=document.getElementById("fname").form.id;
alert(x);
}
</script>
</head>
<body>
<form id="form1">
选择一个文件上传:
<input type="file" id="fname" size="50"/>
</form>
<button type="button" onclick="displayResult()">显示包含fileupload的表单</button>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(){
var x=document.getElementById("fname").form.id;
alert(x);
}
</script>
</head>
<body>
<form id="form1">
选择一个文件上传:
<input type="file" id="fname" size="50"/>
</form>
<button type="button" onclick="displayResult()">显示包含fileupload的表单</button>
</body>
</html>
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benda fileupload