keyboard steps to replace hello by world in vscode for a file in in javascript

To replace all instances of "hello" with "world" in a JavaScript file in VSCode using keyboard shortcuts, follow these steps:

1. Open the JavaScript file in VSCode.
2. Press Ctrl + Shift + F to bring up the "Find and Replace" dialog.
3. In the "Find" field, type hello.
4. In the "Replace" field, type world.
5. Press Alt + Enter to select all instances of "hello".
6. Press Tab to move focus to the "Replace" field.
7. Press Alt + Enter again to replace all instances of "hello" with "world".

Alternatively, you can use the following keyboard shortcut to directly replace the current word under the cursor:

1. Place your cursor on the word "hello".
2. Press Ctrl + D to select the word.
3. Press Ctrl + H to open the "Replace" dialog with the selected word already filled in.
4. In the "Replace with" field, type world.
5. Press Enter to replace the selected word with "world".
6. Press Alt + Enter to continue replacing all instances of "hello" with "world".