fingerprint.js All In One

Canvas 指纹

https://www.wappalyzer.com/images/icons/FingerprintJS.svg

https://cdn.xgqfrms.xyz/fingerprintjs/v2.1.0/index.html

source code


import { version } from '../package.json'


export interface LoadOptions {
    delayFallback?: number,
    debug?: boolean,
}

https://github.com/fingerprintjs/fingerprintjs/blob/master/src/agent.ts


export interface CanvasFingerprint { 
    winding: boolean
    geometry: string 
    text: string 
}

https://github.com/fingerprintjs/fingerprintjs/blob/master/src/sources/canvas.ts

matchMedia & HDR


/**
 * @see https://www.w3.org/TR/mediaqueries-5/#dynamic-range
 */
export default function isHDR(): boolean | undefined {
  if (doesMatch('high')) {
    return true
  }
  if (doesMatch('standard')) {
    return false
  }
  return undefined
}

function doesMatch(value: string) {
  return matchMedia(`(dynamic-range: ${value})`).matches
}

https://github.com/fingerprintjs/fingerprintjs/blob/master/src/sources/hdr.ts

https://developer.mozilla.org/en-US/docs/Web/API/Window/matchMedia