有没有人能帮我个忙……我正在Safari上测试新的Polymer 2.0预览版,但它似乎不能正常工作。问题是,我在index.htm中使用了一个简单的代码(只有my-element),加载polyfill,但我没有使用build并使用gulp和BrowserSync提供服务。它碰巧在Chrome和Mozila上运行,但在Safari上不起作用。该组件甚至不会加载。
在Safari上服务之前,我需要构建吗?
这是一个简单的代码,只是test...but,我会张贴:
索引:
<!DOCTYPE html>
<html lang="pt-br">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Polymer element - Test</title>
<script src="bower_components/webcomponentsjs/webcomponents-lite.js"></script>
<link rel="import" href="/src/my-element.html"></link>
</head>
<body>
<my-element></my-element>
</body>
<script>
window.addEventListener('WebComponentsReady', function() {
alert('Web Components Working');
});
</script>
</html>
my-element:
<link rel="import" href="../bower_components/polymer/polymer-element.html">
<dom-module id="my-element">
<template>
<!-- Style -->
<style>
:host {
display: block;
}
</style>
<h2>Name : [[name]]</h2>
<slot></slot>
</template>
<script>
// Extend Polymer.Element base class
class MyElement extends Polymer.Element {
static get is(){ return 'my-element' }
// properties
static get properties() {
return {
name: {
type: String,
value: 'my-element'
}
};
}
// observers
static get observers() {
return ['_nameChanged(name)'];
}
// constructor
constructor() {
super();
console.log('my-element > created');
}
connectedCallback(){
super.connectedCallback();
console.log('my-element > attached');
}
disconnectedCallback(){
}
attributeChangeCallback(){
}
// ready > add listeners and attributes at appropriate callback
ready() {
this.addEventListener('click', (e) => {
this._handleClick(e);
});
super.ready();
console.log('my-element > ready');
}
_handleClick(e) {
console.log(e.type);
}
_nameChanged(name){
console.log(`Name: ${name}`);
// Select the elements
// this.$.
// this.$.
}
}
// Register custom element definition using standard platform API
customElements.define(MyElement.is, MyElement);
</script>
</dom-module>
发布于 2017-03-09 02:55:49
尝试更改上面的导入:
<link rel="import" href="../bower_components/polymer/polymer-element.html">
至:
<link rel="import" href="../bower_components/polymer/polymer.html">
看看它能不能用。
您可以检查该目录,并查找在以下目录中是否存在文件“polymer element.html”:
../bower_components/聚合物/
https://stackoverflow.com/questions/42634099
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