compilesdkversion 'android-26' requires jdk 1.8 or later to compile visual studio

You are getting the build error in the Android Apache Cordova.

>compilesdkversion 'android-26' requires jdk 1.8 or later to compile visual studio

You  are getting this error as your application is not pointing to the valid version of the  java SDK (JDK) 

You need to set the JAVA SDK version from below screen in visual Studio.

Tools > Option > Tools for Apache Cordova  > Environment Variable Override