Supply a class name as a string. (optional) Supply a node. This can be obtained bygetElementById, or simply by just throwing in "document" (it will be document if don't supply a node)). It's mainly useful if you
getElementById("myElement"); 按类选择元素: 要按类选择元素,可以使用document.getElementsByClassName()方法。这个方法接受一个参数,即要选择的元素的类名。例如,要选择类名为myClass的所有元素,可以使用以下代码: 代码语言:javascript 复制 var elements = document.getElementsByClassName("myClass"); 这将返回一...
4、如果是,向父元素执行追加操作,就是appendChild(newElement) 5、如果不是,向目标元素的之后的紧接着的节点之前执行inserBefore()操作 */varparentElement=targetElement.parentNode;//find parent elementif(parentElement.lastChild==targetElement)//To determime确定,下决心 whether the last element of the paren...
原生的JS获取ID为test的元素下的子元素。 var test1 = docuemnt.getElementById("test").getElementsByTagName("div"); 1. 这样是没有问题的,此时test1.length=2; 但是如果我们换另一种方法: var test2 =document.getElementById("test").childNodes; 1. 此时test2.length在IE浏览器中没问题,其依旧等于2...
at the ). Event TypeDescription show.bs.modal This event fires immediately when the show instance method is called. If caused by a click, the clicked element is available as the relatedTarget property of the event. shown.bs.modal This event is fired when the modal has been made visible to...
node.appendChild(textnode);document.getElementById('products 2').appendChild(node); }// create function objects for each type of coffeevarcolumbian =function(){this.name='columbian';this.basePrice=5; };varfrenchRoast =function(){this.name='french roast';this.basePrice=8; ...
1.Document 对象中提供了以下获取 Element 元素对象的函数 getElementById():根据id属性值获取,返回单个Element对象 getElementsByTagName():根据标签名称获取,返回Element对象数组 getElementsByName():根据name属性值获取,返回Element对象数组 getElementsByClassName():根据class属性值获取,返回Element对象数组 document.query...
cssclassstringThe css class(es) to add to modal. widthintThe modal width. This will be set inline on the .modal element. You should use the cssclass to add css that sets the width instead of this option. heightintThe modal height. This will be set inline on the .modal element. You...
Javascript 概念: 1.变量: 内存中一块存储区域,这块区域中的值是可以改变的,并且我们可以给这块区域取一个名字; 2.对象: 对象具有两大特性:1是静态特征2是其功能,当然具体到程序里面对象的静态特征称之为对象的属性,功能称之为对象的方法; 3.执行环境: 1. 全局执行环境: 全
Some text Some more text The demodiv element (node) has five children, not two: has child #text has child P has child #text has child P has child #text However, IE8 only picks up the two paragraph elements, which demonstrates why it’s important to be specific with the queries ...