How to Use the buffer. fill Method in node. js _ node. js-js tutorial

This article mainly introduces node. buffer in js. description of the fill method. This article introduces the buffer. fill Method description, syntax, receiving parameters, use instances and implementation source code. For more information, see Method description:

Fill the specified data in the buffer.

Syntax:

The Code is as follows:

Buffer. fill (value, [offset], [end])

Receiving parameters:

Data to be filled by value

The start position of offet data filling. The default value 0 is not specified.

The end position of the end filled data. The default value is the buffer length.

Example:

The Code is as follows:

// In example 1, the starting position and ending position of the filled content are not specified.
Var B = new Buffer (50 );
B. fill ("h ");

// In example 2, the starting position and ending position of the filled content are specified.
Var B = new Buffer (50 );
Var len = B. length;
B. fill ("h", len-1, len );