浏览器对象模型(Browser Object Model,简称BOM)定义了与浏览器进行交互的方法和接口,BOM与DOM不同,其既没有标准的实现,也没有严格的定义, 所以浏览器厂商可以自由地实现BOM。BOM由多个对象组成,其中代表浏览器窗口的Window对象是BOM的顶层对象,其他对象都是该对象的子对象。 1.2、JavaScript特点 JavaScript主要
如Blade:一个Visual Studio扩展,可以将C#代码转换为JavaScript,Ceylon:一个可编译为JavaScript的、模块化的、静态类型JVM语言。 JavaScript是一种可以同时运行在前端与后台的语言,如Node.js 是一个基于 Chrome V8 引擎的 JavaScript 运行环境(类似Java或.NET)。 Node.js 使用了一个事件驱动、非阻塞式 I/O 的模型,...
To accomplish this, use a wrapping element. Programmatic API We also believe you should be able to use all Bootstrap plugins purely through the JavaScript API. All public APIs are single, chainable methods, and return the collection acted upon. $('.btn.danger').button('toggle').addClass('...
constdiv =document.getElementById("my_div");constfragment =document.createDocumentFragment();constelems =document.querySelectorAll('a');for(lete =0; e < elems.length; e++) { fragment.appendChild(elems[e]); } div.appendChild(fragment.cloneNode(true)); ...
To easily add scrollspy behavior to your topbar navigation, add data-spy="scroll" to the element you want to spy on (most typically this would be the ). Then add the data-target attribute with the ID or class of the parent element of any Bootstrap .nav component. body { position:...
var box = document.getElementById('box') console.log(box) // 获取到的就是页面中的那个id 为 box 的 div 标签 1-2 getElementsByClassName getElementsByClassName是用过标签的class名称来获取标签的 因为页面中可能有多个元素的class名称一样,所以获取到的是一组元素 哪怕你获取的class只有一个,那也是...
td.appendChild(document.createTextNode(this.data[j])); frag2.appendChild(td); } tr.appendChild(frag2); frag.appendChild(tr); } tbody.appendChild(frag); }, addEvents:function() { $('table').on('click', 'td',function() { $(this).toggleClass('active'); ...
Array #indexOf() should return -1 when the value is not present [1,2,3].indexOf(5).should.equal(-1); [1,2,3].indexOf(0).should.equal(-1); The SuperAgent request library test documentation was generated with Mocha's doc reporter using this Bash command: $ mocha ...
The example above creates a class named "Car". The class has two initial properties: "name" and "year". A JavaScript class isnotan object. It is atemplatefor JavaScript objects. Using a Class When you have a class, you can use the class to create objects: ...
Signing In with a HUAWEI ID Silently Signing In Quick HUAWEI ID Sign-In to Apps That Apply for Only the OpenID or UnionID Signing Out of a HUAWEI ID Canceling Authorization Pre-release Check App Release Web Service Introduction Version Change History Getting Started Preparations ...