ngclass with condition angularjs code example

Example 1: Angular 8 ngClass If

[ngClass]="{'my-class': step=='step1'}"

Example 2: ngclass condition

[ngClass]="(step=='step1')?'my-class1':'my-class2'"

Example 3: ngclass condition

[ngClass]="{'my-class': step === 'step1', 'my-class2':step === 'step2' }"