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HTML DOM

DOM Document DOM Element DOM Attributes DOM Events DOM Event Objects DOM HTMLCollection DOM Style
alignContent alignItems alignSelf animation animationDelay animationDirection animationDuration animationFillMode animationIterationCount animationName animationTimingFunction animationPlayState background backgroundAttachment backgroundColor backgroundImage backgroundPosition backgroundRepeat backgroundClip backgroundOrigin backgroundSize backfaceVisibility border borderBottom borderBottomColor borderBottomLeftRadius borderBottomRightRadius borderBottomStyle borderBottomWidth borderCollapse borderColor borderImage borderImageOutset borderImageRepeat borderImageSlice borderImageSource borderImageWidth borderLeft borderLeftColor borderLeftStyle borderLeftWidth borderRadius borderRight borderRightColor borderRightStyle borderRightWidth borderSpacing borderStyle borderTop borderTopColor borderTopLeftRadius borderTopRightRadius borderTopStyle borderTopWidth borderWidth bottom boxShadow boxSizing captionSide caretColor clear clip color columnCount columnFill columnGap columnRule columnRuleColor columnRuleStyle columnRuleWidth columns columnSpan columnWidth counterIncrement counterReset cursor direction display emptyCells filter flex flexBasis flexDirection flexFlow flexGrow flexShrink flexWrap cssFloat font fontFamily fontSize fontStyle fontVariant fontWeight fontSizeAdjust height isolation justifyContent left letterSpacing lineHeight listStyle listStyleImage listStylePosition listStyleType margin marginBottom marginLeft marginRight marginTop maxHeight maxWidth minHeight minWidth objectFit objectPosition opacity order orphans outline outlineColor outlineOffset outlineStyle outlineWidth overflow overflowX overflowY padding paddingBottom paddingLeft paddingRight paddingTop pageBreakAfter pageBreakBefore pageBreakInside perspective perspectiveOrigin position quotes resize right scrollBehavior tableLayout tabSize textAlign textAlignLast textDecoration textDecorationColor textDecorationLine textDecorationStyle textIndent textOverflow textShadow textTransform top transform transformOrigin transformStyle transition transitionProperty transitionDuration transitionTimingFunction transitionDelay unicodeBidi userSelect verticalAlign visibility width wordBreak wordSpacing wordWrap widows zIndex

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HTML Objects

<a> <abbr> <address> <area> <article> <aside> <audio> <b> <base> <bdo> <blockquote> <body> <br> <button> <canvas> <caption> <cite> <code> <col> <colgroup> <datalist> <dd> <del> <details> <dfn> <dialog> <div> <dl> <dt> <em> <embed> <fieldset> <figcaption> <figure> <footer> <form> <head> <header> <h1> - <h6> <hr> <html> <i> <iframe> <img> <ins> <input> button <input> checkbox <input> color <input> date <input> datetime <input> datetime-local <input> email <input> file <input> hidden <input> image <input> month <input> number <input> password <input> radio <input> range <input> reset <input> search <input> submit <input> text <input> time <input> url <input> week <kbd> <label> <legend> <li> <link> <map> <mark> <menu> <menuitem> <meta> <meter> <nav> <object> <ol> <optgroup> <option> <output> <p> <param> <pre> <progress> <q> <s> <samp> <script> <section> <select> <small> <source> <span> <strong> <style> <sub> <summary> <sup> <table> <tbody> <td> <tfoot> <th> <thead> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

Other References

CSSStyleDeclaration JS Conversion


Método HTML DOM setAttributeNode()

❮ O Objeto Elemento

Exemplo

Defina o nó de atributo de classe de um elemento <h1>:

var h1 = document.getElementsByTagName("H1")[0];   // Get the first <h1> element in the document
var att = document.createAttribute("class");       // Create a "class" attribute
att.value = "democlass";                           // Set the value of the class attribute
h1.setAttributeNode(att);                          // Add the class attribute to <h1>

Antes de definir o nó de atributo:

Hello World

Depois de definir o nó de atributo:

Hello World

Mais exemplos de "Experimente você mesmo" abaixo.


Definição e uso

O método setAttributeNode() adiciona o nó de atributo especificado a um elemento.

Se o atributo especificado já existir, este método o substituirá.

O valor de retorno desse método é um objeto Attr. Para obter mais informações, consulte O objeto de atributo HTML DOM .

Veja também o método setAttribute() .

Dica: Use o método removeAttributeNode() para remover um nó de atributo de um elemento.


Suporte ao navegador

Method
setAttributeNode() Yes Yes Yes Yes Yes

Sintaxe

element.setAttributeNode(attributenode)

Valores de parâmetro

Parameter Type Description
attributenode Attr object Required. The attribute node you want to add


Detalhes técnicos

Valor de retorno: Um objeto Attr, representando o nó de atributo substituído, se houver, caso contrário, nulo
Versão DOM Objeto de elemento de nível 1 principal

Mais exemplos

Exemplo

Defina o nó do atributo href de um elemento <a>:

var anchor = document.getElementById("myAnchor");  // Get the <a> element with id="myAnchor"
var att = document.createAttribute("href");        // Create a "href" attribute
att.value = "https://www.w3schools.com";            // Set the value of the href attribute
anchor.setAttributeNode(att);                      // Add the href attribute to <a>

Antes de definir o nó de atributo:

Go to w3schools.com

Depois de definir o nó de atributo:


Páginas relacionadas

Tutorial HTML: Atributos HTML

Referência HTML DOM: o objeto de atributo HTML DOM

Referência HTML DOM: método setAttribute()

Referência HTML DOM: método document.createAttribute()

Referência HTML DOM: atributo .value Propriedade

Referência HTML DOM: método getAttributeNode()

Referência HTML DOM: método removeAttributeNode()


❮ O Objeto Elemento