[ngClass]="schedule.activeDays.monActive ? 'active' : ''" code example
Example 1: ngclass condition
[ngClass]="(step=='step1')?'my-class1':'my-class2'"Example 2: add classon ng if
[ngClass]="{'my-class': step === 'step1'}"[ngClass]="(step=='step1')?'my-class1':'my-class2'"[ngClass]="{'my-class': step === 'step1'}"