JS中Map的用法

聲明 設值 取值 判斷key是否存在 刪除key ...

jquery radio的操作

radio 按鈕組, name=”sex”. <input type="radio" name="sex" value="Male">Male</input><inpu ...

Chrome報錯提示Unchecked runtime.lastError: The message port closed before a response was received.

經過查詢，此錯誤是Chrome擴展插件引起的。由於Chrome修改了API接口，原來的請求被攔截。（Chrome 73 onwards disallows cross-origin requests ...