Web Reference: Use @let to declare a variable whose value is based on the result of a template expression. Angular automatically keeps the variable's value up-to-date with the given expression, similar to bindings. In the template, you use the hash symbol, #, to declare a template variable.The following template variable, #phone, declares a phone variable with the element as its value. Refer to a template variable anywhere in the component's template.Here, a further down the template refers to the phonevariable. Jul 23, 2025 · There are various use cases where these template variables come in handy. For example, responding to the user input or responding to the form submission. In this article, we'll explore what are template variables and how to use them.
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