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jQuery implements image upload with local preview function

php中世界最好的语言Original: 2018-04-27 17:11:192428browse

This time I will bring you the jQuery implementation of picture uploading with local preview function, jQuery implementation of picture uploading with local previewNotesThere are 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>

Operation effect:

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jQuery implements image upload with local preview function

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