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 Live Edit and Node.js required plugins are enabled on the Settings | Plugins page, tab Installed. For more information, refer to Managing plugins.
Enable Live Edit
Install the Live Edit plugin on the Settings | Plugins page, tab Marketplace, as described in Installing plugins from JetBrains Marketplace.
Press Control+Alt+S to open the IDE settings and then 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.