在获取前一个兄弟节点的时候可以使用previousSibling和previousElementSibling。他们的区别是previousSibling会匹配字符,包括换行和空格,而不是节点。previousElementSibling则直接匹配节点。 var brother2 = document.getElementById(“test”).previousElementSib
function dom(){vars= document.getElementById("test"), m= document.getElementById("main"); del_ff(s);//清理空格del_ff(m);varchils= s.childNodes;//得到s的全部子节点varpar=s.parentNode;//得到s的父节点varns=s.nextSibling;//获得s的下一个兄弟节点varps=s.previousSibling;//得到s的上一个...
*3.firstChild:获取第一个元素节点,包括回车等文本节点*firstElementChild:获取第一个元素节点,不包括回车节点*lastChild、lastElementChild 同理*4.previousSibling:获取当前元素的前一个兄弟节点 *previousElementSibling::获取当前元素的前一个兄弟节点*nextSibling、nextElementSibling JQuery: 1.提供了大量的选择器: :...
var previousElementSibling = android.previousElementSibling;// 该属性获取元素节点 // 第四步:打印 alert(previousSibling.innerHTML); alert(previousElementSibling); }; //读取#username的value属性值 // 第一步:为`btn09`绑定单击事件 var btn09 = document.getElementById("btn09"); btn09.onclick = ...
我们都知道,当获得所有节点(如:getElementsByTagName)或者获得所有子元素(如:element.childNodes)时,实际上返回的是包含一些DOM节点的集合,这个集合要么是 HTMLCollection,要么是 NodeList,两者其实都是类数组的对象。 Chor 2019/11/07 4.4K0 jQuery 常用方法 javahtmljquery jQuery 是一个快速、简洁的 JavaScript 框架...
③. node.nextSibling、node.previousSibling (2). 修改元素的属性 ①. node.setAttribute('title','值') ②. node.getAttribute('title') (3). 修改元素的内容 ①. element.innerHTML ②. element.textContent/innerText (4). 修改元素的样式 ①. element.style.color = 'red'; ...
Traversing > Miscellaneous Traversing .addBack() Add the previous set of elements on the stack to the current set, optionally filtered by a selector.Attributes | Manipulation > Class Attribute | CSS .addClass() Adds the specified class(es) to each element in the set of matched elements....
Get HTML Content Get the HTML content of an element: jQuery content = myElement.html(); Try it Yourself » JavaScript content = myElement.innerHTML; Try it Yourself » ❮ PreviousNext ❯ Track your progress - it's free! Log inSign Up...
When the search for the span selector is restricted to the context ofthis, only spans within the clicked element will get the additional class. Internally, selector context is implemented with the.find()method, so$( "span", this )is equivalent to$( this ).find( "span" ). ...
Get Content and Attributes ❮ Previous Next ❯ jQuery contains powerful methods for changing and manipulating HTML elements and attributes.jQuery DOM ManipulationOne very important part of jQuery is the possibility to manipulate the DOM.jQuery comes with a bunch of DOM related methods that make ...