Live Edit in Node.js applications
By default, Live Edit is enabled only in HTML and CSS files.
Before you start
Make sure you have Node.js on your computer.
Make sure the LiveEdit and Node.js required plugins are enabled on the Settings | Plugins page, tab Installed, see Managing plugins for details.
Enable Live Edit
Press Ctrl+Alt+S to open the IDE settings and select.
Select Update Node.js application on changes. Specify the time-delay between changing the code in the editor and showing this change in the browser: accept the default value
300 msor specify a custom value using the spin box next to the corresponding field.