kero/snippets/examples/example1/1-helloworld/widget.js

// JS
var app,viewModel;
viewModel = {
    dt1: new u.DataTable({
        meta:{
            f1:{
                type:'string',
                maxLength:12
            }
        }
    })
};

app = u.createApp({
    el:'body',
    model:viewModel
});

var r = viewModel.dt1.createEmptyRow();
r.setValue('f1','Hello World');

var demoDiv = document.getElementById('demo_div');
var dtVal = viewModel.dt1.getValue('f1');
demoDiv.innerHTML = dtVal;