Using angular expression in frame throws error

Ionic Framework ionic-v3
1

I have tried the suggestion made in the other solution,using an iframe cause the error… This line shows error

<iframe width="100%" height="300" src="{{item.body}}"></iframe>

Error messege

ERROR Error: Uncaught (in promise): Error: unsafe value used in a resource URL context (see http://g.co/ng/security#xss)
Error: unsafe value used in a resource URL context (see http://g.co/ng/security#xss)

How to set iframe src in Angular without causing error.

2

Who suggested iframes? Their use is discouraged.

3

i chose it,…why is it so, any alternative is there?