A_Rocky的博客

ID document.getElementById('myElement'); 或者document.querySelector('#myElement'); Class document.getElementsByClassName('myElement');或者document.querySelectorAll('.myElement'); HTML标签document.getElements

Router 代码 var MyRouter = Backbone.Router.extend({ routes: { // Other Routers "muppets/:id": "getMuppet" }, getMuppet: function (id) {

```JavaScript (Object.keys(problems).length === 0 && problems.constructor === Object) ```

script.js 的内容/*global document, Audio */ (function () { var var1; //Other code }()); jslint script.js

Object.assign({}, oldObj, {changeProp: newValue})```JavaScript return { ...oldObj, changeProp: newValue }; ```