how to open file upload in dialog box using html code example

Example 1: open the file upload dialogue box onclick the image

<input type="file" id="imgupload" style="display:none"/> 
<button id="OpenImgUpload">Image Upload</button>

$('#OpenImgUpload').click(function(){ $('#imgupload').trigger('click'); });

Example 2: onclick button how to import file upload using dialog in html

<input type="file" id="imgupload" style="display:none"/> 
<button id="OpenImgUpload">Image Upload</button>