HTML DOM Fileupload value property
Fileupload objects Definition and Usage
value property returns <input type = "file"> file path and name of the selected elements.
In IE, Google Chrome, Opera, Firefox, Safari browser value property returns the selected file false path name.
Note: For security reasons, this property is read-only.
grammar
fileuploadObject.value
Browser Support
All major browsers support attribute value
Examples
Examples
Display the selected file name:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(){
var x=document.getElementById("fname").value;
alert(x);
}
</script>
</head>
<body>
<form>
选择一个文件上传:
<input type="file" id="fname" size="50"/>
</form>
<button type="button" onclick="displayResult()">显示文件路径</button>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(){
var x=document.getElementById("fname").value;
alert(x);
}
</script>
</head>
<body>
<form>
选择一个文件上传:
<input type="file" id="fname" size="50"/>
</form>
<button type="button" onclick="displayResult()">显示文件路径</button>
</body>
</html>
try it"
Fileupload objects