Instructions for using the buffer.fill method in node.js_node.js

Method description:

Fill the specified data into the buffer.

Grammar:

Copy code The code is as follows:

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

Receive parameters:

value The data to be filled

offet The starting position of the filled data. If not specified, the default is 0

end The end position of the padding data. If not specified, the default is the length of the buffer.

Example:

Copy code The code is as follows:

//In Example 1, the starting and ending positions of the filling content are not specified
var b = new Buffer(50);
b.fill("h");

//In Example 2, the starting and ending positions of the filling content are specified
var b = new Buffer(50);
var len = b.length;
b.fill("h" , len-1 , len);