$('#editSection').tuiEditor({
        initialEditType: 'markdown',
        previewStyle: 'vertical',
        height: 300,
        exts: ['colorSyntax'],
        contentCSSStyles: [
            '../dist/tui-editor-contents.css'
        ],
        events: {
            'load': function() {
                console.log('editor Loaded');
            }
        }
    });

    <div id="editSection"></div>