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null

The null property of the Global object is used to assign no initial value where JavaScript might expect one. It is one of the primitive values represented directly at the lowest level of the language implementation.

var x = null; var obj = { a:500, b:null, c:200 }; alert( obj.b );

JavaScript

Properties

bodycalleeclosedcookiedocumentdropEffecteffectAllowedfilesframeElementframeshistoryInfinityinnerHeightinnerHTMLinnerWidthlengthlocationlocationbarnameNaNnavigatornullopenerouterHeightparentprototypescreenstatetextContentundefined