我正在尝试 Google 提供的示例代码https://www.polymer-project.org/1.0/start/first-element/intro https://www.polymer-project.org/1.0/start/first-element/intro.
这是我到目前为止所拥有的：
索引.html：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport">
<script src="https://polygit.org/components/webcomponentsjs/webcomponents-lite.js"></script>
<link href="/my_components/icon-toggle-demo.html" rel="import">
</head>
<body>
<icon-toggle-demo toggle-icon="star"></icon-toggle-demo>
</body>
</html>
图标-切换-demo.html：
<link rel="import" href="https://polygit.org/components/polymer/polymer.html">
<link rel="import" href="https://polygit.org/components/iron-icons/iron-icons.html">
<link rel="import" href="icon-toggle.html">
<dom-module id="icon-toggle-demo">
<template>
<style>
:host {
font-family: sans-serif;
};
</style>
<h3>Statically-configured icon-toggles</h3>
<icon-toggle toggle-icon="star"></icon-toggle>
<icon-toggle toggle-icon="star" pressed></icon-toggle>
<h3>Data-bound icon-toggle</h3>
<!-- use a computed binding to generate the message -->
<div><span>[[message(isFav)]]</span></div>
<!-- curly brackets ({{}}} allow two-way binding -->
<icon-toggle toggle-icon="favorite" pressed="{{isFav}}"></icon-toggle>
</template>
<script>
Polymer({
is: "icon-toggle-demo",
message: function(fav) {
if (fav) {
return "You really like me!";
} else {
return "Do you like me?";
}
}
});
</script>
</dom-module>
图标切换.html：
<link rel="import" href="https://polygit.org/components/polymer/polymer.html">
<link rel="import" href="https://polygit.org/components/iron-icon/iron-icon.html">
<dom-module id="icon-toggle">
<template>
<style>
/* local DOM styles go here */
:host {
display: inline-block;
}
iron-icon {
fill: rgba(0,0,0,0);
stroke: currentcolor;
}
:host([pressed]) iron-icon {
fill: currentcolor;
}
</style>
<!-- local DOM goes here -->
<!-- <span>Not much here yet.</span> -->
<!-- <iron-icon icon="polymer"> -->
<iron-icon icon="[[toggleIcon]]">
</iron-icon>
</template>
<script>
Polymer({
is: 'icon-toggle',
properties: {
toggleIcon: String,
pressed: {
type: Boolean,
value: false,
notify: true,
reflectToAttribute: true
}
},
listeners: {
'tap': 'toggle'
},
toggle: function() {
this.pressed = !this.pressed;
}
});
</script>
</dom-module>
该代码在 chrome 中运行良好，但在 FF 中出现以下错误：
TypeError: document.registerElement is not a function
我已经包含了polyfill。还缺少什么吗？
