Node.js v8.Deserializer.readValue() Method
Last Updated :
23 Jul, 2020
The v8.Deserializer.readValue() method is an inbuilt application programming interface of the v8.Deserializer module which is used to read the JS value from serialized data as present in a buffer.
Syntax:
v8.Deserializer.readValue();
Parameters: This method does not accept any parameters.
Return Value: This method reads JS value from serialized representation as present in a buffer and returns it on successful reading.
Below examples illustrate the use of v8.Deserializer.readValue() method in Node.js:
Example 1: Filename: index.js
const v8 = require( 'v8' );
const serializer = new v8.Serializer();
console.log(serializer.writeValue( "GeeksforGeeks" ));
const deserializer = new v8.Deserializer(
serializer.releaseBuffer());
console.log(deserializer.readValue());
|
Run index.js file using the following command:
node index.js
Output:
true
GeeksforGeeks
Example 2: Filename: index.js
const v8 = require( 'v8' );
const serializer = new v8.Serializer();
console.log(serializer.writeValue(839475.3495));
buff = serializer.releaseBuffer();
console.log( "buffer data is:" );
console.log(buff);
const deserializer = new v8.Deserializer(buff);
console.log( "deserialized data: "
+ deserializer.readValue());
|
Run index.js file using the following command:
node index.js
Output:
true
buffer data is:
<Buffer 4e fc a9 f1 b2 66 9e 29 41>
deserialized data: 839475.3495
Reference: https://nodejs.org/api/v8.html#v8_deserializer_readvalue
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