manipulate JSON's value as key with Handlebars' helper

handlebars_JSON_value_as_key_helper.js

var source ='\
    {{#each types.type}}\
        <h2>{{this}}</h2>\
        <p>{{#test ../this }}{{/test}}</p>\
    {{/each}}\
    ' 
var data = {
    types: {
        type: [
            'o', 'k'
            ]
        },
        o: {
            time: '00:01'
        },
        k: {
            time: '00:02'
        }
    
    }​;
Handlebars.registerHelper('test', function(context, options) {
    //console.log(context);
    //console.log(options.hash);
    return context[this].time;
})
var tmpl = Handlebars.compile(source);

$(document.body).html(tmpl(data))​