<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<input type="file" multiple="multiple" id="test">
<ul id='content'></ul>
</body>
<script>
var test = document.getElementById('test');
test.addEventListener('change', function() {
var t_files = this.files;
console.log(t_files);
var str = '';
for (var i = 0, len = t_files.length; i < len; i++) {
console.log(t_files[i]);
str += '<li>名称：' + t_files[i].name + '大小' + t_files[i].size / 1024 + 'KB</li>';
};
document.getElementById('content').innerHTML = str;
}, false);
</script>
</html>
来源：https://www.cnblogs.com/teeth/p/7196331.html