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HTML Documents HTML Elements HTML Attributes HTML Collection HTML NodeList HTML DOMTokenList HTML Styles
alignContent alignItems alignSelf animation animationDelay animationDirection animationDuration animationFillMode animationIterationCount animationName animationTimingFunction animationPlayState background backgroundAttachment backgroundClip backgroundColor backgroundImage backgroundOrigin backgroundPosition backgroundRepeat 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 cssFloat cursor direction display emptyCells filter flex flexBasis flexDirection flexFlow flexGrow flexShrink flexWrap 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

HTML Events

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Web APIs

API Canvas API Console API Fetch API Fullscreen API Geolocation API History API MediaQueryList API Storage API Validation API Web

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

HTML DOM Element getElementsByTagName()


Change the HTML content of the first <li> element in a list:

const list = document.getElementsByTagName("UL")[0];
list.getElementsByTagName("li")[0].innerHTML = "Milk";
Try it Yourself »

Number of <p> elements in "myDIV":

const element = document.getElementById("myDIV");
const nodes = element.getElementsByTagName("p");
let numb = nodes.length;
Try it Yourself »

Change the font size of the second <p> element in "myDIV":

const element = document.getElementById("myDIV");
element.getElementsByTagName("p")[1].style.fontSize = "24px";
Try it Yourself »

More examples below.


The getElementsByTagName() method returns a collection of child elements with a given tag name.

The getElementsByTagName() method returns an HTMLCollection.


The tag name "*" returns all child elements.

See Also:

The getElementsByClassName() Method

The querySelector() Method

The querySelectorAll() Method


A NodeList is an array-like collection (list) of nodes.

The nodes in the list can be accessed by index. The index starts at 0.

The length Poperty returns the number of nodes in the list.




Parameter Description
tagname Required.
The tagname of the child elements.

Return Value

Type Description
NodeListThe element's child elements with the given tagname.
The elements are sorted as they appear in the source code.

More Examples

Change the background color of all <p> elements inside "myDIV":

const div = document.getElementById("myDIV");
const nodes = x.getElementsByTagName("P");
for (let i = 0; i < nodes.length; i++) {
  nodes[i].style.backgroundColor = "red";
Try it Yourself »

Change the background color of the fourth element (index 3) inside "myDIV":

const div = document.getElementById("myDIV");
div.getElementsByTagName("*")[3].style.backgroundColor = "red";
Try it Yourself »

Using the "*" parameter.

Change the background color of all elements inside "myDIV":

const div = document.getElementById("myDIV");
const nodes = div.getElementsByTagName("*");
for (let i = 0; i < nodes.length; i++) {
  nodes[i].style.backgroundColor = "red";
Try it Yourself »

Browser Support

element.getElementsByTagName() is supported in all browsers:

Chrome Edge Firefox Safari Opera IE
Yes Yes Yes Yes Yes Yes