web 开发中，js 解析JSON 是经常的事情。非常繁琐。handlebars 使用了模版，只要你定义一个模版，提供一个json对象，handlebars 就能吧json对象放到你定的模版中
html代码
Handlebars demo Simple handlebars demo
Handlebars Helpers demo
js代码
$(document).ready(function(){ Handlebars.registerHelper('fullName', function(person) { return person.firstName + " " + person.lastName; }); $("#btn_simple").click(function(){ // $(this).hide(); showTemplate(); }); $("#btn_helper").click(function(){ showHowUseHelper(); }); }); // var context = {title: "My New Post", body: "This is my first post!"}; var persion = {title :"My New Post",body:"This is my first post!"} function showTemplate(){ var source = $("#some-template").html(); var template = Handlebars.compile(source); var data = { users: [ {username: "alan", firstName: "Alan", lastName: "Johnson", email: "alan@test.com" }, {username: "allison", firstName: "Allison", lastName: "House", email: "allison@test.com" }, {username: "ryan", firstName: "Ryan", lastName: "Carson", email: "ryan@test.com" } ]}; $("#my_div").html(template(data));; } function showHowUseHelper(){ var context = { author: {firstName: "Alan", lastName: "Johnson"}, body: "I Love Handlebars", comments: [{ author: {firstName: "Yehuda", lastName: "Katz"}, body: "Me too!" }] }; var source = $("#helper-template").html(); var template = Handlebars.compile(source); $("#helper_div").html(template(context));; }