Debugger. Stepping

File | Settings | Build, Execution, Deployment | Debugger | Stepping for Windows and Linux

PhpStorm | Settings | Build, Execution, Deployment | Debugger | Stepping for macOS

Ctrl+Alt+S

JavaScript

Always do smart step into

By default, this checkbox is selected and Smart Step Into is invoked automatically when you invoke Step Into F7 in a line that contains multiple method calls. After that, you can select the call to step into.

If this checkbox is cleared, you can choose between Step Into F7 or Smart Step Into Shift+F7.

Do not step into library scripts

Select this checkbox to suppress stepping into library scripts while debugging.

Do not step into scripts

Select this checkbox to suppress stepping into certain scripts while debugging. Use the toolbar buttons to manage the list of scripts to be skipped.

Item	Shortcut	Description
	`Alt+Insert`	Click this button to add a new script filter. In the dialog that opens, type the names of files to be skipped or use wildcards. For example, if you want to always skip JavaScript files, type `*.js`.
	`Alt+Delete`	Click this button to delete the selected filter from the list.
	`Enter`	Click this button to edit the selected filter.
/		Use these buttons to arrange filters as required.
		Click this button to create a copy of the selected filter.