Node.js writeStream.cursorTo() Method
Last Updated :
06 Apr, 2023
The writeStream.cursorTo() method is an inbuilt application programming interface of class WriteStream within tty module which is used to move the cursor of the write stream object to a specified position.
Syntax:
writeStream.cursorTo(x[, y][, callback])
Parameters: This method takes the following parameter:
- x: It holds the x-axis coordinate for the cursor position.
- y: It holds the y-axis coordinate for the cursor position.
- callback: The callback function executes after the operation.
Return Value: This method returns a boolean value true if the cursor of the write stream object is moved to a specified position.
Example 1: Filename: index.js
Javascript
const dgram = require( 'dgram' );
const client = dgram.createSocket( "udp4" );
const server = dgram.createSocket( "udp4" );
server.on( "message" , function (msg) {
let WriteStream = process.stdout;
const col = WriteStream.cursorTo(10, 7, () => {
});
process.stdout.write(msg + col);
process.exit();
})
.bind(1234, () => {
});
client.send( "cursor is moved :- " ,
0, 26, 1234, "localhost" );
|
Output:
cursor is moved :- true
Example 2: Filename: index.js
Javascript
let WriteStream = process.stdout;
const col = WriteStream.cursorTo(10, 7, () => {
});
console.log( "cursor is moved :- " + col);
|
Run the index.js file using the following command:
node index.js
Output:
cursor is moved :- true
Reference: https://nodejs.org/dist/latest-v12.x/docs/api/tty.html#tty_writestream_cursorto_x_y_callback
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