Attachment 345910 Details for Bug 184307 – testcase (reformatted)

testcase (reformatted)

bug184307-custom-element-innerHTML.html (text/html), 957 bytes, created by Frédéric Wang (:fredw) on 2018-07-27 03:05:49 PDT

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Creator: Frédéric Wang (:fredw)

Created: 2018-07-27 03:05:49 PDT

Size: 957 bytes

patch

obsolete

<html>
  <head>
    <script>
      class MyComponent extends HTMLElement {
        constructor() {
          super();
        }
        connectedCallback() {
          if (this instanceof HTMLUnknownElement)
            console.log("HTMLUnknownElement");
          else if (this instanceof MyComponent)
            console.log("MyComponent");
        }
      }
    customElements.define("my-component", MyComponent);
    function startLoop() {
      var content = '';
      for (var i = 0; i < 1000; i++)
        content += '<my-component></my-component>'
      var container = document.getElementById("elementContainer");
      console.group("looping");
      for (var i = 0; i < 500; i++)
        container.innerHTML = content;
      console.log("done");
      console.groupEnd();
    }
                          
  </script>
  </head>
  <body>
    <button onclick="startLoop()">Start Loop</button>
    <div id="elementContainer"></div>
  </body>
</html>

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