What is template expression in angular 6? Explain with a syntax.

1.	What is template expression in angular 6? Explain with a syntax.
Answer» A template EXPRESSION PRODUCES a value in ANGULAR within double CURLY braces {{ }}. It executes the expression and assigns it to a property of the particular binding and the target can be an HTML element, a component, or a directive. In terms of syntax, it is much similar to that of Javascript. Most of the JavaScript EXPRESSIONS are legal template expressions, with a few exceptions. You can't use JavaScript expressions that have or promote side effects, including: Assignments (=, +=, -=, ...) Operators like new, typeof, instanceof, etc. Chaining expressions with ; or , With increment and decrement operators ++ and -- Most of the ES2015+ operators

Answer»

A template EXPRESSION PRODUCES a value in ANGULAR within double CURLY braces {{ }}. It executes the expression and assigns it to a property of the particular binding and the target can be an HTML element, a component, or a directive.

In terms of syntax, it is much similar to that of Javascript. Most of the JavaScript EXPRESSIONS are legal template expressions, with a few exceptions.

You can't use JavaScript expressions that have or promote side effects, including:

Assignments (=, +=, -=, ...)
Operators like new, typeof, instanceof, etc.
Chaining expressions with ; or ,
With increment and decrement operators ++ and --
Most of the ES2015+ operators

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