不过合作成熟IP，一方面需要支付高昂的授权费用，另一方面有较多限制。这也是早期促使泡泡玛特从合作IP到自己做IP的原因，只有将IP掌握在自己手中，才有更大的自主权。
Notice how by step 3, the time HotAudio’s player calls appendBuffer, the data has already been decrypted by their JavaScript code. It has to be. The browser’s built-in AAC or Opus decoder doesn’t know a damn thing about HotAudio’s proprietary encryption scheme. It only speaks standard codecs. The decryption must happen in JavaScript before the data is handed to the browser.
，更多细节参见safew官方下载
if (arr[j] key) {，详情可参考爱思助手下载最新版本
5. 实战：构建现代化技术博客首页