HTML DOM attributes attribute

HTML DOM Element-Objekt

attributesAttributes return the active collection of all attribute nodes registered to the specified element node.

Nodes can be accessed by index, starting from 0.

Use the length property of the NamedNodeMap object to determine the number of attributes.

HTML attributes are attribute nodes, allProperties and methodsCan be used for Attribute objects.

Syntax:

element.attributes

var len = document.querySelector("img").attributes.length;

Browser compatibility

All browsers fully support the attribute attribute:

Technische Details

Mehr Beispiele

Das zweite Attribut des IMG-Elements (Index1）Name:

var　x　=　document.querySelector("img").attributes[1].name;

Das zweite Attribut des IMG-Elements (Index1

var　x　=　document.querySelector("img").attributes[1].value;

Durchsuchen Sie alle Attribute des IMG-Elements und geben Sie den Namen und den Wert jedes Attributes aus:

var　attrList　=　document.querySelector("img").attributes;
var　txt　=　"";
for　(let　i　=　0;　i　<　attrList.length;　i++)　{
txt　+=　attrList[i].name　+　"　=　"　+　attrList[i].value　+　"<br>";
}

HTML DOM Element-Objekt