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What is the Buffer.kMaxLength Property in Node.js?

Syed Muhammad Ali Mustafa

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

The Buffer.kMaxLength property is used to get and set the largest length allowed for a single buffer instance.

Syntax

The Buffer.kMaxLength property can be declared as shown in the code snippet below:

const Buffer.kMaxLength

Note: When the Buffer.kMaxLength property is used to set the maximum length of a string, it takes the maximum length as the parameter.

Example

Consider the code snippet below, which demonstrates the use of the Buffer.kMaxLength property.

const arr = new ArrayBuffer(16);
const buff = Buffer.from(arr);
buff.kMaxLength = 32;
console.log("kMaxLength of buff is: " + buff.kMaxLength);

Explanation

  • In line 3, we declare a buffer.
  • In line 5, we use the Buffer.kMaxLength property to set the maximum length of buff to 32.
  • In line 7, we use the Buffer.kMaxLength property again to get the maximum length of buff.

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Syed Muhammad Ali Mustafa

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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