## Module to Import<a name="en-us_topic_0000001058460515_s56d19203690d4782bfc74069abb6bd71"></a>
No module is required.
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@@ -50,9 +46,9 @@ Prints a log using **console.debug|log|info|warn|error\(message\)**.
Switch to the **HiLog** window at the bottom of HUAWEI DevEco Studio. Specifically, select the current device and process, set the log level to **Info**, and enter **Hello World** in the search box. Logs that meet the search criteria are displayed, as shown in the following figure.
>Page routing APIs can be invoked only after page rendering is complete. Do not call the APIs in **onInit** and **onReady** when the page is still in the rendering phase.
## Module to Import<a name="en-us_topic_0000001058340511_s0e7b1e85a4274f58a8206e0b065bd80c"></a>
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@@ -94,7 +85,7 @@ Navigates to a specified page in the application based on the page URL and param