What is Node.js v8.cachedDataVersionTag() Method?

In this article, we will learn Node.js v8.cachedDataVersionTag() Method,This free Node.js tutorial for complete beginners will help you learn Node.js from scratch.

Node.js v8.cachedDataVersionTag() Method

Node.js v8.getHeapSpaceStatistics() Method

The v8.cachedDataVersionTag() method is an inbuilt application programming interface of the v8 module which is used to get the version tag derived from the v8 version.

Syntax:

v8.cachedDataVersionTag();

Parameters: This method does not have any parameters.

Return Value: This method returns the version tag from the v8 version, command-line flags, and detected CPU features.

Example 1: The below example illustrates the use of the v8.cachedDataVersionTag() method in Node.js.

index.js

javascript

// Accessing v8 module
const v8 = require('v8');
 
// Calling v8.cachedDataVersionTag() 
tag = v8.cachedDataVersionTag();
console.log("cache data version tag is " + tag);

Run the index.js file using the following command:

node index.js

Output:

cache data version tag is 4151506697

Example 2: The below example illustrates the use of the v8.cachedDataVersionTag() method in Node.js.

index.js

javascript

// Accessing v8 module
const v8 = require('v8');
 
// User defined function
function getTagVersion() {
 
    // Initializing with zero
    let tagVersion = 0;
 
    // Calling v8.cachedDataVersionTag()
    tagVersion = v8.cachedDataVersionTag();
 
    return tagVersion;
}
 
// Function call
let result = getTagVersion();
 
// Printing Tag version
console.log("The Cache Data Version is:", result);