Wechat H5 calls WeixinJSBridge.call ("hideToolbar") to hide the bottom navigation bar is invalid, display as usual

function onBridgeReady() {
    WeixinJSBridge.call("hideToolbar");
  }

  if (typeof WeixinJSBridge == "undefined") {
    document.addEventListener("WeixinJSBridgeReady", onBridgeReady, false);
  } else {
    onBridgeReady();
  }