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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 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

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<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


Form elements Collection

❮ Form Object

Example

Find out how many elements there are in a specified <form> element:

var x = document.getElementById("myForm").elements.length;

The result of x will be:

3
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More "Try it Yourself" examples below.


Definition and Usage

The elements collection returns a collection of all elements in a form.

Note: The elements in the collection are sorted as they appear in the source code.

Note: The elements collection returns all elements inside the <form> element, not all <form> elements in the document. To get all <form> elements in the document, use the document.forms collection instead.


Browser Support

Collection
elements Yes Yes Yes Yes Yes

Syntax

formObject.elements

Properties

Property Description
length Returns the number of elements in the <form> element.

Note: This property is read-only

Methods

Method Description
[index] Returns the element in <form> with the specified index (starts at 0).

Note: Returns null if the index number is out of range
item(index) Returns the element in <form> with the specified index (starts at 0).

Note: Returns null if the index number is out of range
namedItem(id) Returns the element in <form> with the specified id.

Note: Returns null if the id does not exist


Technical Details

DOM Version: Core Level 2 Document Object
Return Value: An HTMLFormsControlCollection Object, representing all elements in a <form> element. The elements in the collection are sorted as they appear in the source code

More Examples

Example

[index]

Get the value of the first element (index 0) in a form:

var x = document.getElementById("myForm").elements[0].value;

The result of x will be:

Donald
Try it Yourself »

Example

item(index)

Get the value of the first element (index 0) in a form:

var x = document.getElementById("myForm").elements.item(0).value;

The result of x will be:

Donald
Try it Yourself »

Example

namedItem(id)

Get the value of the element with name="fname" in a form:

var x = document.getElementById("myForm").elements.namedItem("fname").value;

The result of x will be:

Donald
Try it Yourself »

Example

Loop through all elements in a form and output the value of each element:

var x = document.getElementById("myForm");
var txt = "";
var i;
for (i = 0; i < x.length; i++) {
  txt = txt + x.elements[i].value + "<br>";
}
document.getElementById("demo").innerHTML = txt;

The result of txt will be:

Donald
Duck
Submit
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❮ Form Object