JAVASCRIPT

upload file react onclick

<input type="file" id="file" ref="fileUploader" style={{display: "none"}} />

how to upload file with button react

document.getElementById('buttonid').addEventListener('click', openDialog);

function openDialog() {
  document.getElementById('fileid').click();
}

<input id='fileid' type='file' hidden/>
<input id='buttonid' type='button' value='Upload MB' />