diff --git a/en/application-dev/quick-start/start-with-ets-low-code.md b/en/application-dev/quick-start/start-with-ets-low-code.md
index a2e41c66e918ccc33623ab6b746d1129fdedd7d3..0792cfa38820a7f6dfe94e6df5358e2759219d53 100644
--- a/en/application-dev/quick-start/start-with-ets-low-code.md
+++ b/en/application-dev/quick-start/start-with-ets-low-code.md
@@ -94,7 +94,8 @@ Add **Column**, **Text**, and **Button** components to the first page. A column
4. Add a **Text** component.
- In the **second.ets** file, set the message text content to **Hi there**. The sample code is as follows:
- ```
+ ```ts
+ // second.ets
@Entry
@Component
struct Second {
@@ -130,7 +131,8 @@ You can implement page redirection through the page router, which finds the targ
- In the **index.ets** file:
- ```
+ ```ts
+ // index.ets
import router from '@ohos.router';
@Entry
@@ -163,7 +165,8 @@ You can implement page redirection through the page router, which finds the targ
- In the **second.ets** file:
- ```
+ ```ts
+ // second.ets
import router from '@ohos.router';
@Entry
diff --git a/en/application-dev/quick-start/start-with-ets.md b/en/application-dev/quick-start/start-with-ets.md
index 66485cd8aaeada2f1896013c7822aacc30b5872d..2af755f6518228e6f972f380ae3acd0b130b98be 100644
--- a/en/application-dev/quick-start/start-with-ets.md
+++ b/en/application-dev/quick-start/start-with-ets.md
@@ -41,7 +41,8 @@
After the project synchronization is complete, choose **entry** > **src** > **main** > **ets** > **MainAbility** > **pages** in the **Project** window and open the **index.ets** file. You can see that the file contains a **<Text>** component. The sample code in the **index.ets** file is shown below:
- ```
+ ```ts
+ // index.ets
@Entry
@Component
struct Index {
@@ -66,7 +67,8 @@
On the default page, add a **<Button>** component to respond to user clicks and implement redirection to another page. The sample code in the **index.ets** file is shown below:
- ```
+ ```ts
+ // index.ets
@Entry
@Component
struct Index {
@@ -119,7 +121,8 @@
Add **<Text>** and **<Button>** components and set their styles, as you do for the first page. The sample code in the **second.ets** file is shown below:
- ```
+ ```ts
+ // second.ets
@Entry
@Component
struct Second {
@@ -161,7 +164,8 @@ You can implement page redirection through the page router, which finds the targ
In the **index.ets** file of the first page, bind the **onClick** event to the **Next** button so that clicking the button redirects the user to the second page. The sample code in the **index.ets** file is shown below:
- ```
+ ```ts
+ // index.ets
import router from '@ohos.router';
@Entry
@@ -205,7 +209,8 @@ You can implement page redirection through the page router, which finds the targ
In the **second.ets** file of the second page, bind the **onClick** event to the **Back** button so that clicking the button redirects the user back to the first page. The sample code in the **second.ets** file is shown below:
- ```
+ ```ts
+ // second.ets
import router from '@ohos.router';
@Entry
diff --git a/en/application-dev/quick-start/start-with-js.md b/en/application-dev/quick-start/start-with-js.md
index 301da91e43a7f751c4e70135acf5fbce64c3eef8..23b28e30abc18d3d27973df208ed41f703407a6c 100644
--- a/en/application-dev/quick-start/start-with-js.md
+++ b/en/application-dev/quick-start/start-with-js.md
@@ -40,7 +40,8 @@
After the project synchronization is complete, choose **entry** > **src** > **main** > **js** > **MainAbility** > **pages** > **index** in the **Project** window and open the **index.hml** file. You can see that the file contains a **<Text>** component. The sample code in the **index.hml** file is shown below:
- ```
+ ```html
+
Hello World
@@ -53,7 +54,8 @@
On the default page, add an **<input>** component of the button type to respond to user clicks and implement redirection to another page. The sample code in the **index.hml** file is shown below:
- ```
+ ```html
+
Hello World
@@ -69,7 +71,7 @@
From the **Project** window, choose **entry** > **src** > **main** > **js** > **MainAbility** > **pages** > **index**, open the **index.css** file, and set the page styles, such as the width, height, font size, and spacing. The sample code in the **index.css** file is shown below:
- ```
+ ```css
.container {
display: flex;
flex-direction: column;
@@ -119,7 +121,8 @@
Add **<Text>** and **<Button>** components and set their styles, as you do for the first page. The sample code in the **second.hml** file is shown below:
- ```
+ ```html
+
Hi there
@@ -132,7 +135,7 @@
3. Set the page style in the **second.css** file. The sample code in the **second.css** file is shown below:
- ```
+ ```css
.container {
display: flex;
flex-direction: column;
@@ -172,7 +175,8 @@ You can implement page redirection through the [page router](../ui/ui-js-buildin
In the **index.js** file of the first page, bind the **onclick** method to the button so that clicking the button redirects the user to the second page. The sample code in the **index.js** file is shown below:
- ```
+ ```js
+ // index.js
import router from '@ohos.router';
export default {
@@ -189,7 +193,8 @@ You can implement page redirection through the [page router](../ui/ui-js-buildin
In the **second.ets** file of the second page, bind the **back** method to the **Back** button so that clicking the button redirects the user back to the first page. The sample code in the **second.js** file is shown below:
- ```
+ ```js
+ // second.js
import router from '@ohos.router';
export default {
diff --git a/en/application-dev/reference/apis/js-apis-webgl.md b/en/application-dev/reference/apis/js-apis-webgl.md
index 5538e471be7bc9d6541a54438f9eb0008483b170..bf13c3d9188fe48996c9f56342af8436bb398b9e 100644
--- a/en/application-dev/reference/apis/js-apis-webgl.md
+++ b/en/application-dev/reference/apis/js-apis-webgl.md
@@ -12,7 +12,8 @@ This module provides WebGL APIs that correspond to the OpenGL ES 2.0 feature set
Create a **