What are template expressions - amresh087/newronaRepos GitHub Wiki

  1. What are template expressions?

    A template expression produces a value similar to any Javascript expression. Angular executes the expression and assigns it to a property of a binding target; the target might be an HTML element, a component, or a directive. In the property binding, a template expression appears in quotes to the right of the = symbol as in [property]="expression". In interpolation syntax, the template expression is surrounded by double curly braces. For example, in the below interpolation, the template expression is {{username}},

    <h3>{{username}}, welcome to Angular</h3>

    The below javascript expressions are prohibited in template expression

    1. assignments (=, +=, -=, ...)
    2. new
    3. chaining expressions with ; or ,
    4. increment and decrement operators (++ and --)
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