When a client script block does not specify the script type, the client browser determines the type 當客戶端腳本塊不指定腳本類型時,客戶端瀏覽器會確定類型。
Using the script type helps to avoid confusing similar scripts from different user controls that might be in use on the page 使用腳本類型有助于避免混淆可能用在頁中的來自不同用戶控件的相似腳本。