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Clicking an HTMLAnchorElement with an href inside an src-less <iframe> isn't following hyperlink #25374

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pshaughn opened this issue Dec 23, 2019 · 1 comment
Open

Clicking an HTMLAnchorElement with an href inside an src-less <iframe> isn't following hyperlink #25374

pshaughn opened this issue Dec 23, 2019 · 1 comment
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A-content/dom Interacting with the DOM from web content
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web-platform-test failures

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@pshaughn
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pshaughn commented Dec 23, 2019 •
edited 

<html>
  <body>
    <iframe id="frame1"></iframe>
    <div id="msg"></div>
    <script>
      window.addEventListener("load", function() {
      var frame1=document.getElementById("frame1");
      var doc=frame1.contentDocument;
      var a=doc.createElement("a");
      a.href="2.html"
      a.id="foo"
      a.innerText="SYNTHETICALLY CLICK HERE!"
      doc.body.appendChild(a);
      a.click();
      document.getElementById("msg").innerText="Synthetic click happened, 2.html should load in the iframe";
      })
    </script>
  </body>
</html>

Served over http or opened as a local file (in a directory that also has a 2.html), this loads 2.html in Firefox with no manual intervention. In Servo, it does not, and manually clicking also isn't working!
This was referenced Dec 23, 2019
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@pshaughn pshaughn changed the title Clicking a created HTMLAnchorElement with an href inside an <iframe> isn't following hyperlink Clicking an HTMLAnchorElement with an href inside an src-less <iframe> isn't following hyperlink Dec 23, 2019
@pshaughn
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pshaughn commented Dec 23, 2019 •
edited

It is not dependent on whether the <a> was created via createElement, it is dependent on whether the iframe has an src. Adding a new <a> to an iframe with a same-domain src does work (over http; same-origin semantics for local filesystem are different). Possibly load_url is thinking the about:blank iframe is in the wrong origin to navigate to the href!

@pshaughn pshaughn mentioned this issue Dec 23, 2019
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@jdm jdm added the A-content/dom Interacting with the DOM from web content label Dec 24, 2019
@jdm jdm added this to To do in web-platform-test failures via automation Dec 24, 2019
@pshaughn pshaughn mentioned this issue Jan 27, 2020
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