Redirect to previous URL - Lightning Component

 

Requirement: Create a back button on navigation lightning component tab so that when the button is pressed it redirects to the previous url.

Try this Code:

Component Button:

 <lightning:button variant="brand" label="Previous" title="Previous" onclick="{!c.Previous}" />

Controller Function:

Previous: function (){

            var url = window.location.href; 

            var value = url.substr(0,url.lastIndexOf('/') + 1);

            window.history.back();

            return false;

    }