Node.js v8.serialize() Method

Last Updated : 28 Jul, 2020

The v8.serialize() method is an inbuilt application programming interface of the v8 module which is used to serialize any type of data into a buffer using default serializer.

Syntax:
v8.serialize(value);

Parameters: This method one parameter as described below and mentioned above.

  • value: This is a required parameter, refers to any type of data to be serialized by default serializer

Return Value: This method returns a buffer containing serialized data of the passed value.

Below examples illustrate the use of v8.serialize() method in Node.js.

Example 1: Filename: index.js javascript
// Accessing v8 module
const v8 = require('v8');

// Calling v8.serialize() 
console.log(v8.serialize("geeksforgeeks"));
Run index.js file using the following command:
node index.js
Output:
<Buffer ff 0d 22 0d 67 65 65 6b 73 66 6f 72 67 65 65 6b 73>
Example 2: Filename: index.js javascript
// Accessing v8 module
const v8 = require('v8');

// Calling v8.serialize() 
serialized_data = v8.serialize("abcdefg");
console.log("\nSerialized data is ");
console.log(serialized_data);

serialized_data = v8.serialize(58375693);
console.log("\nSerialized data is ");
console.log(serialized_data);

serialized_data = v8.serialize(73847.0234);
console.log("\nSerialized data is ");
console.log(serialized_data);

serialized_data = v8.serialize('\n');
console.log("\nSerialized data is ");
console.log(serialized_data);
Run index.js file using the following command:
node index.js
Output:
Serialized data is
<Buffer ff 0d 22 07 61 62 63 64 65 66 67>

Serialized data is
<Buffer ff 0d 49 9a f8 d5 37>

Serialized data is
<Buffer ff 0d 4e ac ad d8 5f 70 07 f2 40>

Serialized data is
<Buffer ff 0d 22 01 0a>
Reference: https://nodejs.org/api/v8.html#v8_v8_serialize_value
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