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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


Style fontWeight Property

❮ Style Object

Example

Set the font weight for a <p> element to "900":

document.getElementById("myP").style.fontWeight = "900";
Try it Yourself »

Definition and Usage

The fontWeight property sets or returns how thick or thin characters in a text should be displayed.


Browser Support

Property
fontWeight Yes Yes Yes Yes Yes

Syntax

Return the fontWeight property:

object.style.fontWeight

Set the fontWeight property:

object.style.fontWeight = "normal|lighter|bold|bolder|value|initial|inherit"

Property Values

Value Description
normal Font is normal. This is default
lighter Font is lighter
bold Font is bold
bolder Font is bolder
100
200
300
400
500
600
700
800
900
Defines from light to bold characters. 400 is the same as normal, and 700 is the same as bold
initial Sets this property to its default value. Read about initial
inherit Inherits this property from its parent element. Read about inherit


Technical Details

Default Value: normal
Return Value: A String, representing the boldness of the font
CSS Version CSS1

More Examples

Example

A demonstration of possible values:

var listValue = selectTag.options[selectTag.selectedIndex].text;
document.getElementById("myP").style.fontWeight = listValue;
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Example

Return the font weight of a <p> element:

alert(document.getElementById("myP").style.fontWeight);
Try it Yourself »

Related Pages

CSS tutorial: CSS Font

CSS reference: font-weight property

HTML DOM reference: font property


❮ Style Object