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JS Reference

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JavaScript

JS ArraysJS BooleanJS ClassesJS DatesJS FunctionJS ErrorJS GlobalJS IteratorsJS JSONJS MapsJS MathJS NumbersJS ObjectsJS OperatorsJS AssignmentJS ArithmeticJS ComparisonJS Logical OperatorsJS Bitwise OperatorsJS Misc OperatorsJS PrecedenceJS PromisesJS ProxyJS ReflectJS RegExp PatternsJS RegExp ReferenceJS SetsJS StatementsJS StringsJS Typed ArraysJS Typed Reference

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


HTML DOM Document strictErrorChecking

Example

Return the DOM error setting for the document:

document.strictErrorChecking;
Try it Yourself »

Description

The strictErrorChecking property is deprecated. Do NOT use it.

The strictErrorChecking property returns undefined in all new browsers.

Note

The strictErrorChecking property was a DOM Core Level 3 (2004) feature.

It was supposed to control if the browser should trow error exeptions for DOM operations.

Alternatives:

JavaScript "use strict"

Syntax

Return the strictErrorChecking

document.strictErrorChecking

Set the strictErrorChecking

document.strictErrorChecking = true|false

Return Value

TypeDescription
Booleantrue if strictErrorChecking is on.
undefined in all new browsers.

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