This time I will introduce to you how to use jQuery to realize When uploading pictures, you can preview them locally first. Which ones, the following are practical cases, let’s take a look. <!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title> jquery上传图片本地预览效果</title>
</head>
<body>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.8.2.min.js"></script>
<input id="upload" type="file">
<img id="preview" src="">
<script type="text/javascript">
$('#upload').change(function(){
// 获取FileList的第一个元素
alert(document.getElementById('upload').files[0]);
var f = document.getElementById('upload').files[0];
src = window.URL.createObjectURL(f);
document.getElementById('preview').src = src
})
</script>
</body>
</html>
I believe you have mastered the method after reading the case in this article. Please pay attention for more exciting things. Other related articles on php Chinese website!
Recommended reading:
Methods for element-ui control to operate iviewWhat are the methods for vue parent components to call child componentsHow to use the diff algorithmThe above is the detailed content of Use jQuery to preview images locally when uploading them. For more information, please follow other related articles on the PHP Chinese website!
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
