oda-framework/tools/tester/index.html

It's an ES Progressive Framework based on the technology of Web Components and designed especially for creating custom UI/UX of any complexity for web and cross-platform PWA mobile applications.

<meta charset="utf-8">
<script type="module" src="../../oda.js"></script>
<script type="module" src="../../components/editors/code-editor/code-editor.js"></script>
<oda-tester>
    <oda-code-editor src="0123456789" max-lines="0"></oda-code-editor>
</oda-tester>
<script>
    setTimeout(()=>{
        tester.addButton({label: 'TEST', tap: (e)=>{
                alert('test')
            }})
    }, 1000)

</script>