1.通过id获取 document.getElementById(“id”) 2.通过name获取 document.getElementsByName(“Name”) 3.通过标签名选取元素 document.getElementsByTagName(“tag”) 4.通过CLASS类选取元素 document.getElementsByClassName(“class”) 5.通过CSS选
而默认情况下，Selenium WebDriver是启用JavaScript的。
This usually involves a calls to.getElementsByClassName("*")and traversing through all matched elements, analyzing each element’sclassNameattribute along the way. Generally, the fastest method is to use a pre-compiled RegExp to test the value of the className attribute. DOM Tree Walker Is a le...
However, if your goal is to get just one element then thegetElementsByClassNameis probably not your best option. Getting the element by its ID or data attribute is, depending what attributes the element holds. Further Reading:
varnick = document.getElementByClass("user-nick")[0].innerText; Update20120703: 上面提到的函数会存在一些问题,比如一个元素设置两个class的话,就会有问题。 在stackoverflow上找到了更加完美的解决方案: functiongetElementsByClassName(node,classname) {if(node.getElementsByClassName) {//use native implementation...
使用原生JavaScript模拟getElementByClassName . 最近在工作中,由于有一个插件必须使用jquery-pack.js,而这个包又是非常古老的jquery,所以又的函数是无法使用的,例如$()选择器以及parent()都取不到标签的内容。 所以没办法,只能用原生的JavaScript了,为了实现这个功能,我得通过HTML标签的Class来获得标签的DOM结构。
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...
这里传id); function showTime(){ var divOne=document.getElementById("one"); var d...
getElementByClassName是通过标签的class类名称进行获取对应的dom元素。 getElementByClassName需要额外注意的一点是,我们在页面中可能会有多个相同名称的class类名。所以我们通过getElementByClassName方法获取到的dom也是以一个伪数组的形式展示出来的。如果我们需要获取对应的dom,就需要在后面加上对应下标 //获取方法如...
functionaddClickHandler(element) { element.click=functiononClick(e) {alert("Clicked the "+ element.nodeName) } } Here,onClickhas a closure that keeps a reference toelement(viaelement.nodeName). By also assigningonClicktoelement.click, the circular reference is created, i.e.,element→onClick...