ngclass angular 2,...,5,..,7 examples with conditions
Angular 2,..,7 provides several ways to add classes conditionally:
type one
[class.my-class]="step=='step1'"
type two
[ngClass]="{'my-class': step=='step1'}"
and multiple option:
[ngClass]="{'my-class': step=='step1', 'my-class2':step=='step2' }"
type three
[ngClass]="{1:'my-class1',2:'my-class2',3:'my-class4'}[step]"
type four
[ngClass]="(step=='step1')?'my-class1':'my-class2'"
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