Handlebars.js registerHelper

  Handlebars.registerHelper('link', function (text, url) {
            text = Handlebars.Utils.escapeExpression(text);
            url = Handlebars.Utils.escapeExpression(url);
            var result = '<a href="' + url + '">' + text + '</a>';
            return new Handlebars.SafeString(result);
        });
        Handlebars.registerHelper('list', function (items, options) {
            var out = "<ul>";
            for (var i = 0, l = items.length; i < l; i++) {
                debugger;
                out = out + "<li>" + options.fn(items[i]) + "</li>";
            }
            return out + "</ul>";
        });

        Handlebars.registerHelper('select', function (items, options) { 
            var select = "<select class='chosen m-wrap " + options.hash.class + "' name=" + options.hash.name + " id=" + options.hash.id + ">";
            for (var i = 0, l = items.length; i < l; i++) { 
                select = select + "<option value='" + items[i][options.hash.value] + "'>" + options.fn(items[i]) + "</option>";
            }
            return select + "</select>";
        });

　　

<script id="demo" type="text/x-handlebars-template"> 
{{#select people value="firstName"}} {{firstName}} {{/select }} 
</script>

　　

    var source = $("#demo").html();
        var template = Handlebars.compile(source);

        var users = [{
            ID: 'think8848', Name: 'Joseph Chan', Num: '1', Status: 1, people: [
              { firstName: "Yehuda", lastName: "Katz" },
              { firstName: "Carl", lastName: "Lerche" },
              { firstName: "Alan", lastName: "Johnson" }
            ]
        }, {
            ID: 'aCloud', Name: 'Mary Cheung', Num: '2', people: [
              { firstName: "Yehuda", lastName: "Katz" },
              { firstName: "Carl", lastName: "Lerche" },
              { firstName: "Alan", lastName: "Johnson" }
            ]
        }];
        var html = template(users[0]);


        $("#div_demo").append(html);