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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 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 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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Other References

CSSStyleDeclaration JS Conversion


Textarea readOnly Property

❮ Textarea Object

Example

Set a text area to be read-only:

document.getElementById("myTextarea").readOnly = true;
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Definition and Usage

The readOnly property sets or returns whether the contents of a text area should be read-only.

In a read-only text area, the content cannot be changed, but a user can tab to it, or highlight and copy the content from it.

This property reflects the HTML readonly attribute.

Tip: To prevent the user from interacting with the text area, use the disabled property instead.


Browser Support

Property
readOnly Yes Yes Yes Yes Yes

Syntax

Return the readOnly property:

textareaObject.readOnly

Set the readOnly property:

textareaObject.readOnly = true|false

Property Values

Value Description
true|false Specifies whether a text area should be read-only or not.
  • true - The text area is read-only
  • false - Default. The text area is changeable

Technical Details

Return Value: A Boolean, returns true if the text area is read-only, otherwise it returns false

More Examples

Example

Find out if a text area is read-only or not:

var x = document.getElementById("myTextarea").readOnly;
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❮ Textarea Object