File name should be removed after uploading

Hi guys i am currently stuck with the below issue.

i have tried to upload the file and it currently it displays the file name after click the upload button the file name should be removed .

Any ideas.118406531_1156407318078399_5378469880773453800_n

On upload button click Set the button value equal to null or empty-string

// JavaScript
myInput.value = null;
// or
myInput.value = '';