接口 Range

A fragment of a document that can contain nodes and parts of text nodes.

interface Range {
    collapsed: boolean;
    commonAncestorContainer: Node;
    END_TO_END: number;
    END_TO_START: number;
    endContainer: Node;
    endOffset: number;
    START_TO_END: number;
    START_TO_START: number;
    startContainer: Node;
    startOffset: number;
    cloneContents(): DocumentFragment;
    cloneRange(): Range;
    collapse(toStart?: boolean): void;
    compareBoundaryPoints(how: number, sourceRange: Range): number;
    comparePoint(node: Node, offset: number): number;
    createContextualFragment(fragment: string): DocumentFragment;
    deleteContents(): void;
    detach(): void;
    extractContents(): DocumentFragment;
    getBoundingClientRect(): DOMRect;
    getClientRects(): DOMRectList;
    insertNode(node: Node): void;
    intersectsNode(node: Node): boolean;
    isPointInRange(node: Node, offset: number): boolean;
    selectNode(node: Node): void;
    selectNodeContents(node: Node): void;
    setEnd(node: Node, offset: number): void;
    setEndAfter(node: Node): void;
    setEndBefore(node: Node): void;
    setStart(node: Node, offset: number): void;
    setStartAfter(node: Node): void;
    setStartBefore(node: Node): void;
    surroundContents(newParent: Node): void;
    toString(): string;
}

层级 (查看完整内容)

属性

collapsed commonAncestorContainer END_TO_END END_TO_START endContainer endOffset START_TO_END START_TO_START startContainer startOffset

方法

cloneContents cloneRange collapse compareBoundaryPoints comparePoint createContextualFragment deleteContents detach extractContents getBoundingClientRect getClientRects insertNode intersectsNode isPointInRange selectNode selectNodeContents setEnd setEndAfter setEndBefore setStart setStartAfter setStartBefore surroundContents toString

属性

只读collapsed

collapsed: boolean

Returns true if range is collapsed, and false otherwise.

只读commonAncestorContainer

commonAncestorContainer: Node

Returns the node, furthest away from the document, that is an ancestor of both range's start node and end node.

只读END_TO_END

END_TO_END: number

只读END_TO_START

END_TO_START: number

只读endContainer

endContainer: Node

Returns range's end node.

只读endOffset

endOffset: number

Returns range's end offset.

只读START_TO_END

START_TO_END: number

只读START_TO_START

START_TO_START: number

只读startContainer

startContainer: Node

Returns range's start node.

只读startOffset

startOffset: number

Returns range's start offset.

方法

cloneContents

cloneRange

collapse

  • collapse(toStart?): void

  • 参数

    • 可选toStart: boolean

    返回 void

compareBoundaryPoints

  • compareBoundaryPoints(how, sourceRange): number

  • 参数

    • how: number
    • sourceRange: Range

    返回 number

comparePoint

  • comparePoint(node, offset): number

  • Returns −1 if the point is before the range, 0 if the point is in the range, and 1 if the point is after the range.

    参数

    • node: Node
    • offset: number

    返回 number

createContextualFragment

deleteContents

  • deleteContents(): void

  • 返回 void

detach

  • detach(): void

  • 返回 void

extractContents

getBoundingClientRect

getClientRects

insertNode

  • insertNode(node): void

  • 参数

    返回 void

intersectsNode

  • intersectsNode(node): boolean

  • Returns whether range intersects node.

    参数

    返回 boolean

isPointInRange

  • isPointInRange(node, offset): boolean

  • 参数

    • node: Node
    • offset: number

    返回 boolean

selectNode

  • selectNode(node): void

  • 参数

    返回 void

selectNodeContents

  • selectNodeContents(node): void

  • 参数

    返回 void

setEnd

  • setEnd(node, offset): void

  • 参数

    • node: Node
    • offset: number

    返回 void

setEndAfter

  • setEndAfter(node): void

  • 参数

    返回 void

setEndBefore

  • setEndBefore(node): void

  • 参数

    返回 void

setStart

  • setStart(node, offset): void

  • 参数

    • node: Node
    • offset: number

    返回 void

setStartAfter

  • setStartAfter(node): void

  • 参数

    返回 void

setStartBefore

  • setStartBefore(node): void

  • 参数

    返回 void

surroundContents

  • surroundContents(newParent): void

  • 参数

    返回 void

toString

  • toString(): string

  • Returns a string representation of an object.

    返回 string

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