incumbent.sub.html

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<!DOCTYPE html>

<title>Incumbent page used as a test helper</title>

<iframe src="//{{domains[www1]}}:{{location[port]}}/FileAPI/support/document-domain-setter.sub.html" id="c"></iframe>

<iframe src="//{{domains[www2]}}:{{location[port]}}/FileAPI/support/document-domain-setter.sub.html" id="r"></iframe>

<iframe src="//{{domains[élève]}}:{{location[port]}}/FileAPI/support/document-domain-setter.sub.html" id="bs"></iframe>

<script>

"use strict";

document.domain = "{{host}}";

window.createBlobURL = () => {

    const current = document.querySelector("#c").contentWindow;

    const relevant = document.querySelector("#r").contentWindow;

    const blobSource = document.querySelector("#bs").contentWindow;

    const blob = new blobSource.Blob(["Test Blob"]);

    return current.URL.createObjectURL.call(relevant, blob);

};

</script>