HTML DOM FileUpload form properties
Fileupload objects Definition and Usage
form property returns form containing FileUpload object.
property return form objects.
grammar
fileuploadObject.form
Browser Support
All major browsers support form properties
Examples
Examples
The following example returns a <input type = "file"> element belongs 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>
try it"
Fileupload objects