How to convert image to byte array using javascript only to store image on sql server?

Question

I am struggling converting image to byte array using client side script. I have to convert image to byte array, and pass this array to web service , so that the web services

Answer 1

File.prototype.convertToBase64 = function(callback){

    var FR= new FileReader();
    FR.onload = function(e) {
         callback(e.target.result)
    };       
    FR.readAsDataURL(this);
}

and later call this function using this

var selectedFile = this.files[0];
selectedFile.convertToBase64(function(base64)

you get your base64 code.