爲什麼connectedCallback()打破我的Plunk? Comment and uncomment it in this demo to see what I mean.我在做什麼錯? https://plnkr.co/edit/f4X7aZYj1MHSIjPttygH?p=preview 我-demo.html <base href="https://polygit.org/polym
I am trying to implement this answer. 有什麼辦法到<paper-button>的on-click或on-tap事件綁定到以下任一hiddeninput元素? 我-form.html <iron-form>
<form>
...
<my-buttons></my-buttons>
...
<input hidde