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The interpolation is an alternative syntax to property binding.
Consider interpolation as a friendly syntax.
To use interpolation, we use double curly braces: {{ myVar}}.
The text between the curly braces is generally the name of the component property.
Then, Angular replaces this name with the value of the related component property.
Use cases:
=>The interpolation is an alternative syntax to property binding which is more efficient for just data display in your template.