monitor-api - v1.8.0
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    Interface INPAttributionSummary

    Which interaction caused INP and where its time went. Times are milliseconds.

    interface INPAttributionSummary {
        inputDelay: number;
        interactionTarget: string | null;
        interactionTime: number | null;
        interactionType: "pointer" | "keyboard" | null;
        loadState: WebVitalLoadState | null;
        longestScript: INPLongestScript | null;
        presentationDelay: number;
        processingDuration: number;
        totalPaintDuration: number | null;
        totalScriptDuration: number | null;
        totalStyleAndLayoutDuration: number | null;
        totalUnattributedDuration: number | null;
    }
    Index

    Properties

    inputDelay: number
    interactionTarget: string | null

    CSS selector of the element the user interacted with, or null when unknown.

    interactionTime: number | null

    performance.now() time of the interaction, or null when unknown.

    interactionType: "pointer" | "keyboard" | null
    loadState: WebVitalLoadState | null
    longestScript: INPLongestScript | null

    Null when Long Animation Frame timing is unsupported or found no script.

    presentationDelay: number
    processingDuration: number
    totalPaintDuration: number | null
    totalScriptDuration: number | null
    totalStyleAndLayoutDuration: number | null
    totalUnattributedDuration: number | null