HTML:
<div class="form-group form-md-line-input" style="">
<input type="text" class="form-control calculator" id="form_control_1" name="unit_11" onchange="barcode_update()">
<label for="form_control_1">Pc</label>
</div>
jQuery:
var html = $(".form-group.form-md-line-input");
var image = html.getContext('2d');
Anyone can please help me How can I convert HTML to base64 string?