Question

How to get the size of the selected file from disk in JavaScript

Answer 1

function get_file_size() {
    var file_size = document.getElementById('file').files[0].size;

    document.write(file_size + " bytes");
}
 
 
/*
run:
 
6473536 bytes
    
*/

<input type="file" id="file" onchange="get_file_size()"/>

 

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