# ChangeLog of JS API Changes in the URL Subsystem
# Utils Subsystem Changelog
Compared with OpenHarmony 3.2 Beta4, OpenHarmony 3.2.10.1(Mr) has the following API changes in the URL subsystem:
Compared with OpenHarmony 3.2 Beta4, OpenHarmony 3.2.10.1(MR) has the following API changes in the URL module of the utils subsystem.
## cl.url.1 URLParams Class API Changes
APIs in the **URLParams** class in the URL subsystem are changed:
## cl.commonlibrary.1 URLParams Class Changes
The constructor function of the **URLParams** class in the URL module of the utils subsystem is changed.
**constructor(init?: string[][] | Record<string, string> | string | URLSearchParams)** is changed to **constructor(init?: string[][] | Record<string, string> | string | URLParams)**, and the parameter type is changed from URLSearchParams to URLParams.
Specifically, **constructor(init?: string[][] | Record<string, string> | string | URLSearchParams)** is changed to **constructor(init?: string[][] | Record<string, string> | string | URLParams)**, and the parameter type is changed from **URLSearchParams** to **URLParams**.
You need to adapt your application based on the following information.
You need to adapt your application.
**Change Impacts**
JS APIs in API version 9 are affected. Your application needs to adapt these APIs so that it can properly implement functions in the SDK environment of the new version.
JS APIs in API version 9 are affected. Your application needs to adapt these APIs so that it can properly implement features in the SDK environment of the new version.
**Key API/Component Changes**
| Module | Class | Method/Attribute/Enumeration/Constant | Change Type|
The following illustrates how to create a **URLParams** object in your application:
The following illustrates how to create a **URLParams** object in your application.
Example:
...
...
@@ -37,27 +37,27 @@ try {
console.error(`Fail to ceate URLParams.codeis${err.code},message is ${err.message}`);
}
```
## cl.url.2 URL Attribute Changes of URLParams Class APIs
URL attributes in the URL subsystem are changed:
## cl.commonlibrary.2 URL Attribute Changes of URLParams Class APIs
The URL attributes of the URL module in the utils subsystem are changed.
The **searchParams: URLSearchParams** attribute is deprecated, and the **params: URLParams** attribute is added.
Specifically, the **searchParams: URLSearchParams** attribute is deprecated, and the **params: URLParams** attribute is added.
You need to adapt your application based on the following information.
You need to adapt your application.
**Change Impacts**
JS APIs in API version 9 are affected. Your application needs to adapt these APIs so that it can properly implement functions in the SDK environment of the new version.
JS APIs in API version 9 are affected. Your application needs to adapt these APIs so that it can properly implement features in the SDK environment of the new version.
**Key API/Component Changes**
| Module | Class| Method/Attribute/Enumeration/Constant | Change Type |
