<a roterLink="/someurl/+str+"> + text + </a>
<a roterLink="/someurl/
">
</a>
here routerLink is not working in angular 9
try like this:
<a routerLink="/someurl/{{str}}">Text</a>
I hope it helps!
You can try it also
<a routerLink="/edit/{{name}}" [queryParams]="{id: '1'}">Click Here</a>