I (JavaScript: The Definitive Guide, 4th Edition)

26.9. I

id: HTMLElement[Client], HTMLElement[DOM]
identifier: Counter[DOM]
ignoreCase: RegExp[Core]
Image: [Client]
images: Document[Client], HTMLDocument[DOM]
implementation: Document[DOM]
importNode: Document[DOM]
IMPORT_RULE: CSSRule[DOM]
index: HTMLOptionElement[DOM], Option[Client]
indexOf: String[Core]
INDEX_SIZE_ERR: DOMException[DOM]
Infinity: [Core]
initEvent: Event[DOM]
initMouseEvent: MouseEvent[DOM]
initMutationEvent: MutationEvent[DOM]
initUIEvent: UIEvent[DOM]
innerHTML: HTMLElement[Client]
innerText: HTMLElement[Client]
Input: [Client]
insertAdjacentHTML: HTMLElement[Client]
insertAdjacentText: HTMLElement[Client]
insertBefore: Node[DOM]
insertCell: HTMLTableRowElement[DOM]
insertData: CharacterData[DOM]
insertNode: Range[DOM]
insertRow: HTMLTableElement[DOM], HTMLTableSectionElement[DOM]
insertRule: CSSMediaRule[DOM], CSSStyleSheet[DOM]
internalSubset: DocumentType[DOM]
INUSE_ATTRIBUTE_ERR: DOMException[DOM]
INVALID_ACCESS_ERR: DOMException[DOM]
INVALID_CHARACTER_ERR: DOMException[DOM]
INVALID_MODIFICATION_ERR: DOMException[DOM]
INVALID_NODE_TYPE_ERR: RangeException[DOM]
INVALID_STATE_ERR: DOMException[DOM]
isFinite: [Core]
isNaN: [Core]
isPrototypeOf: Object[Core]
isSupported: Node[DOM]
item: CSSRuleList[DOM], CSSStyleDeclaration[DOM], CSSValueList[DOM],HTMLCollection[DOM], MediaList[DOM], NamedNodeMap[DOM], NodeList[DOM], StyleSheetList[DOM]