ThegetAttribute()method is a built-in JavaScript method that allows us to retrieve the value of a specified attribute from an element. Here is an example of how to use it: constelement=document.getElementById('myElement');constattributeValue=element.getAttribute('data-id');console.log(attribute...
DOCTYPE html>Get Attribues of HTML Element Using JavaScriptconstgetElementByID=document.getElementById("getAttr");attrs=getElementByID.attributes;n=attrs.length;attrNameArray=[];attrValueArray=[];for(vari=0; i<n; i++){attrNameArray.push(attrs[i].nodeName);attrValueArray.push(attrs[i].nodeV...
var tp = ele.getAttribute("type"); var qn = ele.getAttribute("qixyNewAttribute"); alert(v+nq+tp+qn); } function fun2() { var ele = document.getElementById("txt") alert(ele.getAttribute("value"));//马克-to-win:这样不能把input中实时的值取回来,getAttribute只能取初值,或setAttribute设...
document.getElementById 或者只使用 id 如果一个元素有id特性(attribute),那我们就可以使用document.getElementById(id)方法获取该元素,无论它在哪里。 例如: Element //获取该元素let elem = document.getElementById('elem');//将该元素背景改为红色elem.style.background ='red'; 此外,还有一个通过id命名...
element node : the html's tags, like and so on; text node : just like the contents of =>"XXXXXXX", it is often included in element node, but not every element node has text node; attribute node : description of elements, like almost every element node has an attribute node "tit...
element.属性 获取属性值 element.getAttribute('属性') get得到获取 attribute属性 代码语言:javascript 代码运行次数:0 运行 AI代码解释 var div = document.getElementById('demo'); //1.element.属性 获取属性值 console.log(div.id); //demo //2.element.getAttribute('属性') 获取属性值 console.log...
Get an attribute on an element Use Element.getAttribute() to get an attribute (including data attributes) on an element. This method can also be used to manipulate other types of attributes—things like id, tabindex, name, and so on. var elem = document.querySelector('#lunch'); var sa...
getElementById("myBtn"); // Setting new attributes btn.setAttribute("class", "click-btn"); btn.setAttribute("disabled", ""); Similarly, you can use the setAttribute() method to update or change the value of an existing attribute on an HTML element. The JavaScript code in the following ...
但是,HTML attribute 和 DOM property 并不总是一对一的关系。 1. DOM 属性 当浏览器解析完 HTML 后,生成的 DOM 是一个继承自 Object 的常规 JavaScript 对象,因此我们可以像操作任何 JS 对象那样来操作 DOM 对象。 const el = document.getElementById('name') ...
getAttribute(attributeName)方法：返回元素上一个指定的特性值，如果指定的特性不存在，则返回null或 ""；特性的名称不区分大小写；如果取得class，需要传入class，而不是className；var mydiv = document.getElementById("mydiv");console.log(mydiv.getAttribute("id")); // mydivconsole.log(mydiv.getAttribute...