var newNode=xmlDoc.createElement("New Element Name");//创建元素节点 var nodeBook =xmlDoc.getElementsByTagName("book")[0];//找到节点book nodeBook.appendChild(newNode);//把newNode作为子节点追加到父节点book的子节点后面。也就是说,要追加节点,
Below are some examples of how you can use the document object to access and manipulate HTML. Finding HTML Elements MethodDescription document.getElementById(id)Find an element by element id document.getElementsByTagName(name)Find elements by tag name ...
window.scrollBy()方法用于将网页滚动指定距离(单位像素)。它接受两个参数:水平向右滚动的像素,垂直向下滚动的像素。 window.scrollBy(0,window.innerHeight) 上面代码用于将网页向下滚动一屏。 如果不是要滚动整个文档,而是要滚动某个元素,可以使用下面三个属性和方...
Javascript // 我们DOM 元素的引用 let controlCheckbox = document.getElementById("mainCheckbox"), addBtn = document.getElementById("addNewObserver" ), container = document.getElementById("observersContainer" ); // 具体的被观察者 //Subject 类扩展controlCheckbox 类 extend(new Subject(), controlC...
(a=e.getElementById(i)))return n;if(a.id===i)return n.push(a),n}else if(f&&(a=f.getElementById(i))&&y(e,a)&&a.id===i)return n.push(a),n}else{if(u[2])return H.apply(n,e.getElementsByTagName(t)),n;if((i=u[3])&&d.getElementsByClassName&&e.getElementsByClassName)...
To access an HTML element, use thedocument.getElementById(id)method. Then use theinnerTextproperty to change the inner text of the HTML element: Example <!DOCTYPE html> My First Web Page My First Paragraph <pid="demo"> document.getElementById...
如果 元素设置了name或id属性,那么属性值会自动成为全局变量,可通过 window.frames 属性引用,返回子窗口的 window 对象。 // HTML 代码为 window.myFrame // [HTMLIFrameElement] frames.myframe === myFrame // true name属性的值会自动成为子窗口的名称,可以用在window.open方法的第二个参数,或者和标签的...
getElementById("api").addEventListener("click", api, false); document.getElementById("logout").addEventListener("click", logout, false); //UserManager from the oidc-client to manage the OpenID Connect protocol var config = { authority: "http://localhost:5001", client_id: "js", redirect...
Again, notice that we have access to everything JavaScript has access to, including direct DOM manipulation. Once compiled, this function will look like this:function computeFactorial() { var n; n = document.getElementById("user-input").value; document.getElementById("result").innerHTML = ...
var html_string= "content alert(location.href);"; document.getElementById('iframe').src = "data:text/html;charset=utf-8," + escape(html_string); // alert data:text/html;charset=utf-8... // access cookie get ERROR var doc = document.getElementById('iframe').contentWindow.docume...