What does #id in input tag mean?

Question

From this Angular.io tutorial, I show:

where I do not unde

Answer 1

This is template reference variable they are usually declared #variable and can be used anywhere in the template.

In this particular scenario #searchBox is declare the variable which will store the value of whatever is entered in textbox.

Moreover you can also see the use of this template variable #searchBox in keyup function were it is used to read the value itself. In same way you can use this variable anywhere in your code.