WISIWYG Editor

How to add font size in Quill editor and also how to get data from the textarea form??

//Textarea

{!! Form::label('about','Description')!!}

        <div id="editor"></div>

   </div>

//Javascipt code for Editor

    var quill = new Quill('#editor', {

        modules: {

            toolbar: [

                [{ 'font': [] }],

                [{ header: [1, 2, 3, false] }],

                ['bold', 'italic', 'underline'],

                ['image', 'code-block'],

                [{ 'align': [] }],

            ]
        },
        placeholder: 'Compose an epic...',

        theme: 'snow'  // or 'bubble'

    });
</script>