- Release Notes and Announcements
- Product Introduction
- About Platform Prerequisites
- Guidelines for Code Integration
- Get Demo and SDK
- Accessing via Android Devices
- Accessing via iOS Devices
- Guide to Mini Program Development
- Mini program introduction and development environment
- Mini program code composition
- Framework
- API
- API Overview
- Fundamentals
- Routing
- Redirect
- Forwarding
- Interface
- Network
- Data Caching
- Data Analysis
- canvas
- Media
- WXML
- File
- Device
- Contact person
- Vibration
- Battery Level
- Screen
- Memory
- Device Orientation
- Accessibility
- Network
- Keyboard
- Phone number
- Accelerometer
- Compass
- Gyroscope
- SMS
- Code scanning
- Encryption
- NFC－Ndef
- NFC－NfcA
- NFC－NfcB
- NFC－NfcF
- NFC－NfcV
- WiFi
- Calendar
- Clipboard
- NFC－getNFCAdapter
- NFC－NFCAdapter
- NFC－IsoDep
- NFC－MifareClassic
- NFC－MifareUltralight
- Bluetooth - Low Energy Central Device
- Bluetooth - Low Energy Peripheral Device
- Bluetooth - Beacon
- Bluetooth - General
- Location
- Open Interfaces
- Custom APIs
- Sensitive API
- Components
- Open source component statement
- FAQs
- Release Notes and Announcements
- Product Introduction
- About Platform Prerequisites
- Guidelines for Code Integration
- Get Demo and SDK
- Accessing via Android Devices
- Accessing via iOS Devices
- Guide to Mini Program Development
- Mini program introduction and development environment
- Mini program code composition
- Framework
- API
- API Overview
- Fundamentals
- Routing
- Redirect
- Forwarding
- Interface
- Network
- Data Caching
- Data Analysis
- canvas
- Media
- WXML
- File
- Device
- Contact person
- Vibration
- Battery Level
- Screen
- Memory
- Device Orientation
- Accessibility
- Network
- Keyboard
- Phone number
- Accelerometer
- Compass
- Gyroscope
- SMS
- Code scanning
- Encryption
- NFC－Ndef
- NFC－NfcA
- NFC－NfcB
- NFC－NfcF
- NFC－NfcV
- WiFi
- Calendar
- Clipboard
- NFC－getNFCAdapter
- NFC－NFCAdapter
- NFC－IsoDep
- NFC－MifareClassic
- NFC－MifareUltralight
- Bluetooth - Low Energy Central Device
- Bluetooth - Low Energy Peripheral Device
- Bluetooth - Beacon
- Bluetooth - General
- Location
- Open Interfaces
- Custom APIs
- Sensitive API
- Components
- Open source component statement
- FAQs
getRandomValues
This API is used via wx.getRandomValues(Object object).
Feature Description: Gets cryptographically secure random numbers, with the usage method as follows.
Parameter and Description: Object.
Attribute | Type | Default value | Required | Description |
length | number | - | Yes | Integer, the byte size of the generated random number, with a maximum of 1048576. |
success | function | - | No | Callback Function of Successful Interface Call |
fail | function | - | No | Callback Function of Failing Interface Call |
complete | function | - | No | Callback function executed upon the completion of the interface invocation (both successful and unsuccessful invocations) |
Parameters for object.success callback function: Object res.
Attribute | Type | Description |
randomValues | ArrayBuffer | Random number content, with a length equivalent to the passed-in byte size. |
Sample Code
wx.getRandomValues({length: 6 // Generate a random number of 6-byte length,success: res => {console.log(wx.arrayBufferToBase64(res.randomValues)) // Print after converting to a base64 string}})
Yes
No
Was this page helpful?