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JS Reference

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JavaScript

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Window

Window ObjectWindow ConsoleWindow HistoryWindow LocationWindow NavigatorWindow Screen

HTML DOM

HTML DocumentsHTML Elements
accessKeyaddEventListener()after()append()appendChild()attributesbefore()blur()childElementCountchildNodeschildrenclassListclassNameclick()clientHeightclientLeftclientTopclientWidthcloneNode()closest()compareDocumentPosition()contains()contentEditabledirfirstChildfirstElementChildfocus()getAttribute()getAttributeNode()getBoundingClientRect()getElementsByClassName()getElementsByTagName()hasAttribute()hasAttributes()hasChildNodes()idinnerHTMLinnerTextinsertAdjacentElement()insertAdjacentHTML()insertAdjacentText()insertBefore()isContentEditableisDefaultNamespace()isEqualNode()isSameNode()isSupported()langlastChildlastElementChildmatches()namespaceURInextSiblingnextElementSiblingnodeNamenodeTypenodeValuenormalize()offsetHeightoffsetWidthoffsetLeftoffsetParentoffsetTopouterHTMLouterTextownerDocumentparentNodeparentElementpreviousSiblingpreviousElementSiblingquerySelector()querySelectorAll()remove()removeAttribute()removeAttributeNode()removeChild()removeEventListener()replaceChild()scrollHeightscrollIntoView()scrollLeftscrollTopscrollWidthsetAttribute()setAttributeNode()styletabIndextagNametextContenttitle
HTML AttributesHTML CollectionHTML NodeListHTML DOMTokenListHTML Styles
alignContentalignItemsalignSelfanimationanimationDelayanimationDirectionanimationDurationanimationFillModeanimationIterationCountanimationNameanimationTimingFunctionanimationPlayStatebackgroundbackgroundAttachmentbackgroundClipbackgroundColorbackgroundImagebackgroundOriginbackgroundPositionbackgroundRepeatbackgroundSizebackfaceVisibilityborderborderBottomborderBottomColorborderBottomLeftRadiusborderBottomRightRadiusborderBottomStyleborderBottomWidthborderCollapseborderColorborderImageborderImageOutsetborderImageRepeatborderImageSliceborderImageSourceborderImageWidthborderLeftborderLeftColorborderLeftStyleborderLeftWidthborderRadiusborderRightborderRightColorborderRightStyleborderRightWidthborderSpacingborderStyleborderTopborderTopColorborderTopLeftRadiusborderTopRightRadiusborderTopStyleborderTopWidthborderWidthbottomboxShadowboxSizingcaptionSidecaretColorclearclipcolorcolumnCountcolumnFillcolumnGapcolumnRulecolumnRuleColorcolumnRuleStylecolumnRuleWidthcolumnscolumnSpancolumnWidthcounterIncrementcounterResetcssFloatcursordirectiondisplayemptyCellsfilterflexflexBasisflexDirectionflexFlowflexGrowflexShrinkflexWrapfontfontFamilyfontSizefontStylefontVariantfontWeightfontSizeAdjustheightisolationjustifyContentleftletterSpacinglineHeightlistStylelistStyleImagelistStylePositionlistStyleTypemarginmarginBottommarginLeftmarginRightmarginTopmaxHeightmaxWidthminHeightminWidthobjectFitobjectPositionopacityorderorphansoutlineoutlineColoroutlineOffsetoutlineStyleoutlineWidthoverflowoverflowXoverflowYpaddingpaddingBottompaddingLeftpaddingRightpaddingToppageBreakAfterpageBreakBeforepageBreakInsideperspectiveperspectiveOriginpositionquotesresizerightscrollBehaviortableLayouttabSizetextAligntextAlignLasttextDecorationtextDecorationColortextDecorationLinetextDecorationStyletextIndenttextOverflowtextShadowtextTransformtoptransformtransformOrigintransformStyletransitiontransitionPropertytransitionDurationtransitionTimingFunctiontransitionDelayunicodeBidiuserSelectverticalAlignvisibilitywidthwordBreakwordSpacingwordWrapwidowszIndex

HTML Events

HTML EventsHTML Event ObjectsHTML Event PropertiesHTML Event Methods

Web APIs

API CanvasAPI ConsoleAPI FetchAPI FullscreenAPI GeolocationAPI HistoryAPI MediaQueryListAPI StorageAPI ValidationAPI 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

CSSStyleDeclarationJS Conversion


StyleflexBasis Property

Example

Set the initial length of a flex-item to 200 pixels:

document.getElementById("myBlueDiv").style.flexBasis = "200px";
Try it Yourself »

Description

The flexBasis property specifies the initial length of a flexible item.

Note: If the element is not a flexible item, the flexBasis property has no effect.


Browser Support

Property
flexBasisYes11.0Yes9.0Yes

Syntax

Return the flexBasis property:

object.style.flexBasis

Set the flexBasis property:

object.style.flexBasis = "number|auto|initial|inherit"

Property Values

ValueDescription
numberA length unit, or percentage, specifying the initial length of the flexible item(s)
autoDefault value. The length is equal to the length of the flexible item. If the item has no length specified, the length will be according to its content
initialSets this property to its default value.Read aboutinitial
inheritInherits this property from its parent element.Read aboutinherit


Technical Details

Default Value:auto
Return Value:A String, representing the flex-basis property of an element
CSS VersionCSS3

Related Pages

CSS reference:flex-basis property

HTML DOM STYLE Reference:flex property

HTML DOM STYLE Reference:flexDirection property

HTML DOM STYLE Reference:flexFlow property

HTML DOM STYLE Reference:flexGrow property

HTML DOM STYLE Reference:flexShrink property

HTML DOM STYLE Reference:flexWrap property



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