zxg_js_bridge_ready_demo.js

const waitForJSBridge = new Promise((resolve, reject) => {
  if (typeof window.StockJSBridge === 'undefined') {
    let initTimer;
    let _resolve = () => {
      window.clearTimeout(initTimer);
      resolve();
    };
    initTimer = window.setTimeout(() => {
      reject();
    }, 6000);
    if (document.addEventListener) {
      document.addEventListener('StockJSBridgeReady', _resolve, false);
    } else if (document.attachEvent) {
      document.attachEvent('StockJSBridgeReady', _resolve);
      document.attachEvent('onStockJSBridgeReady', _resolve);
    }
  } else {
    // 安卓开发反馈客户端注入的时间可能比js执行的早
    // 或者sdk在调用之前已经初始化好了
    resolve();
  }
});

const sdk = {
  async closeWindow() {
    await waitForJSBridge;
    window.StockJSBridge.invoke('exit', {});
  }
}

sdk.closeWindow();