ClassicEditor
    .create(document.querySelector('#editor'), {
        toolbar: ['heading', '|', 'bold', 'italic', 'link', 'bulletedList', 'numberedList', 'blockQuote',
            'insertTable', 'increaseIndention', 'Outdent',
            'Indent', 'undo', 'redo'
        ],
        heading: {
            options: [{
                    model: 'paragraph',
                    title: 'Paragraph',
                    class: 'ck-heading_paragraph'
                },
                {
                    model: 'heading1',
                    view: 'h1',
                    title: 'Heading 1',
                    class: 'ck-heading_heading1'
                },
                {
                    model: 'heading2',
                    view: 'h2',
                    title: 'Heading 2',
                    class: 'ck-heading_heading2'
                },
                {
                    model: 'heading3',
                    view: 'h3',
                    title: 'Heading 3',
                    class: 'ck-heading_heading3'
                },
                {
                    model: 'heading4',
                    view: 'h3',
                    title: 'Heading 4',
                    class: 'ck-heading_heading4'
                },
                {
                    model: 'heading5',
                    view: 'h4',
                    title: 'Heading 5',
                    class: 'ck-heading_heading5'
                },
                {
                    model: 'heading6',
                    view: 'h6',
                    title: 'Heading 6',
                    class: 'ck-heading_heading6'
                },
                {
                    model: 'address',
                    view: 'address',
                    title: 'address',
                    class: 'ck-address'
                }
            ]
        },
        table: {
            contentToolbar: ['tableColumn', 'tableRow', 'mergeTableCells']
        }
    })
    .catch(error => {
        // console.log(error);
    });
