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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Testcase for bug 1059138</title>
<template>
<div class="inner" style="border: 1px solid black; display:flex; width: 500px;">
<button class="action-button">
ThisIsAButton
</button>
<slot></slot>
</div>
</template>
<script>
// Gets content from <template>
var template = document.querySelector('template').content;
// Creates an object based in the HTML Element prototype
class MyElement extends HTMLElement {
// Fires when an instance of the element is connected
connectedCallback() {
// Creates the shadow root
var shadowRoot = this.attachShadow({ mode: "open" });
// Adds a template clone into shadow root
var clone = document.importNode(template, true);
shadowRoot.appendChild(clone);
}
};
// Registers <my-elem> in the main document
customElements.define('my-elem', MyElement);
</script>
</head>
<body>
<my-elem><div>ThisIsADivFlexItem</div></my-elem>
</body>
</html>
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