HTMLAreaElement: ping ããããã£

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html

<map>
  <area
    href="https://example.com"
    ping="https://example-tracking.com https://example-analytics.com"
    alt="example" />
</map>

const areaCollection = document.getElementsByTagName("map")[0].areas;
console.log(areaCollection[0].ping); // åºå: "https://example-tracking.com https://example-analytics.com"