handlebars.js - 通过 var 访问 Handlebars Objectvars

Question

车把上有类似{{foo.*index*.title}}的东西吗？{{foo.4.title}}

var foo = {
   1: { title: 'foo a' },
   4: { title: 'foo b' }
   7: { title: 'foo c' }
}

var index = 4