Handlebars

テンプレート

{{#with city}}
{{city.name}} (not shown because there is no city)
{{else}}
No city found
{{/with}}

準備スクリプト

// Handlebars.registerHelper('loud', function(string) {
//    return string.toUpperCase()
// });

入力

{
  person: {
    firstname: "Yehuda",
    lastname: "Katz",
  },
}

出力

No city found