| Oggetto | Descrizione | Proprietà | Metodi | Gestore evento |
| Ancor | un link sullo stesso documento | name text x y | nessuno | nessuno |
| Ancors array | length | nessuno | nessuno | |
| Applet | riferimento ad un applet java | nessuno | metodi dell'applet | nessuno |
| Applets array | length | nessuno | nessuno | |
| Area | definisce un'area di un'immagine quale mappa. | hash host hostname href pathname port protocol search target | nessuno | onClick onMouseout onMouseover |
| Array | una matrice o una raccolta di oggetti | length | concat join pop push reverse shift slice sort unshift | nessuno |
| Button | pulsante in html | form name type value | blur click focus | onClick onMousedown onMouseup |
| Checkbox | casella di controllo html | checked defaultchecked form name type value | blur click focus | onClick onMousedown onMouseup |
| Date | crea e manipola date | nessuno | getDate getDay getFullYear getHours getMilliseconds getMinutes getMonth getSeconds getTime getTimezoneOffset getUTCDate getUTCDay getUTCFullYear getUTCHours getUTCMilliseconds getUTCMinutes getUTCMonth getUTCSeconds getYear parse setDate setFullYear setHours setMilliseconds setMinutes setMonth setSeconds setTime setUTCDate setUTCFullYear setUTCHours setUTCMilliseconds setUTCMinutes setUTCMonth setUTCSeconds setYear toGMTString toLocaleString toString toUTCString UTC valueOf | nessuno |
| Document | documento html caricato correttamente | activeElement alinkColor all Anchor anchors Applet applets Area bgColor body charset children cookie defaultCharset domain embed embeds expando fgColor Form forms Image Images lastModified Layer leyers linkcolor Link links location parentWindow plugins readyState referrer scripts selection styleSheets title URL vlinkColor | clear close createElement createStylesheet elementFromPoint getSelection open write writeln | nessuno |
| FileUpload | file da caricare in un form | form name type value | blur focus Select | onBlur onFocus onSelect |
| Form | form html | action Button Checkbox elements encoding FileUpload Hidden length method name Password Radio Reset Select Submit target Text Textarea | reset submit | onReset onSubmit |
| forms array | length | nessuno | nessuno | |
| frames array | length | nessuno | nessuno | |
| Hidden | un pezzo di form non visto ma elaborato dall'interprete | form name type value | nessuno | nessuno |
| History | raccolta di url visitati dall'utente | current length next previous | back forward go | nessuno |
| History array | length | nessuno | nessuno | |
| Image | immagine | border complete height hspace lowsrc name src vspace width x y | nessuno | onAbort onError onLoad |
| Image array | length | nessuno | nessuno | |
| Layers | above background below bgColor clip document hidden left name pageX pageY parentLayer siblingAbove siblingBelow src top visibility window x y zIndex | load moveAbove moveBelow moveBy moveTo moveToAbsolute resizeBy resizeTo | onBlur onFocus onLoad onMouseout onMouseover onMouseup | |
| Layers array | length | nessuno | nessuno | |
| Link | collegamento | hash host hostname href pathname port protocol search target text x y | nessuno | onClick onMouseout onMouseover |
| Link array | length | nessuno | nessuno | |
| location | url caricato | hash host hostname href pathname port protocol search | reload replace | nessuno |
| Math | metodi e funzioni matematiche | E LN2 LN10 LOG2E LOG10E PI SQRT1_2 SQRT2 | abs acos asin atan atan2 ceil cos exp floor log max min pow random round sin sqrt tan | nessuno |
| MimeType | Multipart Internet Mai Extension. estensione per posta | description enabledPlugin suffixes type | nessuno | nessuno |
| mimeTypes array | length | nessuno | nessuno | |
| navigator | configurazione browser | appCodeName appMinorVersion appName appVersion browserLanguage cookieEnabled cpuClass language mimeTypes platform plugins systemLanguage userAgent userLanguage userProfile | JavaEnabled preference savePreferences taintEnabled | nessuno |
| Number | contenitore per numeri | MAX_VALUE MIN_VALUE NaN NEGATIVE_INFINITY POSITIVE_INFINITY | toString valueOf | nessuno |
| Option | opzione in elenco selezione in form html | defaultSelected index selected selectedIndex text value | nessuno | nessuno |
| options array | length | nessuno | nessuno | |
| Password | campo password in form | defaultValue form name type value | blur focus select | onBlur onChange onFocus onKeydown onKeypress onKeyup onSelect |
| Plugin | modulo applicativo plug-in per Netscape Navigator | description filename name | refresh | nessuno |
| plugins array | length | nessuno | nessuno | |
| Radio | pulsante radio o opzione di un form html | checked defaultChecked form name type value | blur click focus | onClick onMousedown onMouseup |
| radio array | length | nessuno | nessuno | |
| Reset | pulsante reset di un form html | form name type value | blur click focus | onClick onMousedown onMouseup |
| screen | descrive il monitor ed i colori | availHeight availLeft availTop availWidth BufferDepth colorDepth height pixelDepth updateinterval width | nessuno | nessuno |
| Select | casella riepilogo di un form html | form length name option selectedIndex type | blur focus | onChange |
| Submit | pulsante invio form html | form name type value | blur click focus | onClick onMousedown onMouseup |
| Text | campo testo di un form html | defaultValue form name type value | blur click focus select | onBlur onChange onFocus onKeyDown onKeyPress onKeyup onSelect |
| Textarea | area testo di un form html | defaultValue form name type value | blur click focus select | onBlur onChange onFocus onKeyDown onKeyPress onKeyup onSelect |
| Window | una finestra o un frame del browser | clientinformation closed defaultStatus dialogArguments dialogHeight dialogLeft dialogTop dialogWidth document event frames history innerHeight innerWidth length location locationbar menubar name navigator offscreenBuffering opener outerHeight outerWidth pageXOffset pageYOffset parent personalbar screen screenX screenY scrollbars self status statusbar toolbar top | alert back blur close confirm find focus forward home moveBy moveTo navigate open prompt resizeBy resizeTo scroll scrollBy scrollTo stop | onBlur onError onFocus onLoad onResize onUnload |